Home / 185,730.51-256,309.13-100,847.58

Finding the Fourth Proportional to 185,730.51, 256,309.13 and 100,847.58

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Solution

The fourth proportional to 185,730.51, 256,309.13 and 100,847.58 is: 139,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,730.51 : 256,309.13 = 100,847.58 : x
  2. Step 2: Convert to fraction form
    185,730.51/256,309.13 = 100,847.58/x
  3. Step 3: Cross multiply
    185,730.51x = 256,309.13 × 100,847.58
  4. Step 4: Simplify right side
    185,730.51x = 25,848,154,988.17
  5. Step 5: Solve for x
    x = 25,848,154,988.17/185,730.51
  6. Step 6: Final answer
    x = 139,170.21

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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.