Home / 157,926.02-217,937.99-86,306.04

Finding the Fourth Proportional to 157,926.02, 217,937.99 and 86,306.04

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Solution

The fourth proportional to 157,926.02, 217,937.99 and 86,306.04 is: 119,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,926.02 : 217,937.99 = 86,306.04 : x
  2. Step 2: Convert to fraction form
    157,926.02/217,937.99 = 86,306.04/x
  3. Step 3: Cross multiply
    157,926.02x = 217,937.99 × 86,306.04
  4. Step 4: Simplify right side
    157,926.02x = 18,809,363,792.77
  5. Step 5: Solve for x
    x = 18,809,363,792.77/157,926.02
  6. Step 6: Final answer
    x = 119,102.38

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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.