Home / 185,994.11-256,655.45-103,210.17

Finding the Fourth Proportional to 185,994.11, 256,655.45 and 103,210.17

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Solution

The fourth proportional to 185,994.11, 256,655.45 and 103,210.17 is: 142,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,994.11 : 256,655.45 = 103,210.17 : x
  2. Step 2: Convert to fraction form
    185,994.11/256,655.45 = 103,210.17/x
  3. Step 3: Cross multiply
    185,994.11x = 256,655.45 × 103,210.17
  4. Step 4: Simplify right side
    185,994.11x = 26,489,451,342.65
  5. Step 5: Solve for x
    x = 26,489,451,342.65/185,994.11
  6. Step 6: Final answer
    x = 142,420.92

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.