Home / 284,758.12-392,934.18-157,416.04

Finding the Fourth Proportional to 284,758.12, 392,934.18 and 157,416.04

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Solution

The fourth proportional to 284,758.12, 392,934.18 and 157,416.04 is: 217,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,758.12 : 392,934.18 = 157,416.04 : x
  2. Step 2: Convert to fraction form
    284,758.12/392,934.18 = 157,416.04/x
  3. Step 3: Cross multiply
    284,758.12x = 392,934.18 × 157,416.04
  4. Step 4: Simplify right side
    284,758.12x = 61,854,142,596.25
  5. Step 5: Solve for x
    x = 61,854,142,596.25/284,758.12
  6. Step 6: Final answer
    x = 217,216.43

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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.