Home / 127,084.20-175,397.24-70,513.80

Finding the Fourth Proportional to 127,084.20, 175,397.24 and 70,513.80

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Solution

The fourth proportional to 127,084.20, 175,397.24 and 70,513.80 is: 97,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.20 : 175,397.24 = 70,513.80 : x
  2. Step 2: Convert to fraction form
    127,084.20/175,397.24 = 70,513.80/x
  3. Step 3: Cross multiply
    127,084.20x = 175,397.24 × 70,513.80
  4. Step 4: Simplify right side
    127,084.20x = 12,367,925,901.91
  5. Step 5: Solve for x
    x = 12,367,925,901.91/127,084.20
  6. Step 6: Final answer
    x = 97,320.72

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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.