Home / 432,442.83-648,726.27-132,948.56

Finding the Fourth Proportional to 432,442.83, 648,726.27 and 132,948.56

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Solution

The fourth proportional to 432,442.83, 648,726.27 and 132,948.56 is: 199,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,442.83 : 648,726.27 = 132,948.56 : x
  2. Step 2: Convert to fraction form
    432,442.83/648,726.27 = 132,948.56/x
  3. Step 3: Cross multiply
    432,442.83x = 648,726.27 × 132,948.56
  4. Step 4: Simplify right side
    432,442.83x = 86,247,219,522.30
  5. Step 5: Solve for x
    x = 86,247,219,522.30/432,442.83
  6. Step 6: Final answer
    x = 199,441.90

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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.