Home / 266,423.40-399,501.18-88,869.24

Finding the Fourth Proportional to 266,423.40, 399,501.18 and 88,869.24

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Solution

The fourth proportional to 266,423.40, 399,501.18 and 88,869.24 is: 133,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423.40 : 399,501.18 = 88,869.24 : x
  2. Step 2: Convert to fraction form
    266,423.40/399,501.18 = 88,869.24/x
  3. Step 3: Cross multiply
    266,423.40x = 399,501.18 × 88,869.24
  4. Step 4: Simplify right side
    266,423.40x = 35,503,366,245.70
  5. Step 5: Solve for x
    x = 35,503,366,245.70/266,423.40
  6. Step 6: Final answer
    x = 133,259.19

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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.