Home / 487,933.20-731,630.16-150,881.04

Finding the Fourth Proportional to 487,933.20, 731,630.16 and 150,881.04

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Solution

The fourth proportional to 487,933.20, 731,630.16 and 150,881.04 is: 226,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,933.20 : 731,630.16 = 150,881.04 : x
  2. Step 2: Convert to fraction form
    487,933.20/731,630.16 = 150,881.04/x
  3. Step 3: Cross multiply
    487,933.20x = 731,630.16 × 150,881.04
  4. Step 4: Simplify right side
    487,933.20x = 110,389,119,436.17
  5. Step 5: Solve for x
    x = 110,389,119,436.17/487,933.20
  6. Step 6: Final answer
    x = 226,238.18

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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.