Home / 242,429.91-363,702.10-76,217.91

Finding the Fourth Proportional to 242,429.91, 363,702.10 and 76,217.91

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Solution

The fourth proportional to 242,429.91, 363,702.10 and 76,217.91 is: 114,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,429.91 : 363,702.10 = 76,217.91 : x
  2. Step 2: Convert to fraction form
    242,429.91/363,702.10 = 76,217.91/x
  3. Step 3: Cross multiply
    242,429.91x = 363,702.10 × 76,217.91
  4. Step 4: Simplify right side
    242,429.91x = 27,720,612,106.10
  5. Step 5: Solve for x
    x = 27,720,612,106.10/242,429.91
  6. Step 6: Final answer
    x = 114,344.85

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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.