Home / 482,749.50-724,159.79-127,761.13

Finding the Fourth Proportional to 482,749.50, 724,159.79 and 127,761.13

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Solution

The fourth proportional to 482,749.50, 724,159.79 and 127,761.13 is: 191,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,749.50 : 724,159.79 = 127,761.13 : x
  2. Step 2: Convert to fraction form
    482,749.50/724,159.79 = 127,761.13/x
  3. Step 3: Cross multiply
    482,749.50x = 724,159.79 × 127,761.13
  4. Step 4: Simplify right side
    482,749.50x = 92,519,473,070.96
  5. Step 5: Solve for x
    x = 92,519,473,070.96/482,749.50
  6. Step 6: Final answer
    x = 191,651.10

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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.