Home / 127,659.15-191,432.10-48,718.17

Finding the Fourth Proportional to 127,659.15, 191,432.10 and 48,718.17

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Solution

The fourth proportional to 127,659.15, 191,432.10 and 48,718.17 is: 73,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,659.15 : 191,432.10 = 48,718.17 : x
  2. Step 2: Convert to fraction form
    127,659.15/191,432.10 = 48,718.17/x
  3. Step 3: Cross multiply
    127,659.15x = 191,432.10 × 48,718.17
  4. Step 4: Simplify right side
    127,659.15x = 9,326,221,591.26
  5. Step 5: Solve for x
    x = 9,326,221,591.26/127,659.15
  6. Step 6: Final answer
    x = 73,055.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.