Home / 157,250.04-216,862.83-103,515.18

Finding the Fourth Proportional to 157,250.04, 216,862.83 and 103,515.18

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Solution

The fourth proportional to 157,250.04, 216,862.83 and 103,515.18 is: 142,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,250.04 : 216,862.83 = 103,515.18 : x
  2. Step 2: Convert to fraction form
    157,250.04/216,862.83 = 103,515.18/x
  3. Step 3: Cross multiply
    157,250.04x = 216,862.83 × 103,515.18
  4. Step 4: Simplify right side
    157,250.04x = 22,448,594,882.76
  5. Step 5: Solve for x
    x = 22,448,594,882.76/157,250.04
  6. Step 6: Final answer
    x = 142,757.32

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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.