Home / 367,439.13-551,159.10-145,823.13

Finding the Fourth Proportional to 367,439.13, 551,159.10 and 145,823.13

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Solution

The fourth proportional to 367,439.13, 551,159.10 and 145,823.13 is: 218,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,439.13 : 551,159.10 = 145,823.13 : x
  2. Step 2: Convert to fraction form
    367,439.13/551,159.10 = 145,823.13/x
  3. Step 3: Cross multiply
    367,439.13x = 551,159.10 × 145,823.13
  4. Step 4: Simplify right side
    367,439.13x = 80,371,745,089.98
  5. Step 5: Solve for x
    x = 80,371,745,089.98/367,439.13
  6. Step 6: Final answer
    x = 218,734.86

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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.