Home / 334,420.85-501,631.28-156,945.80

Finding the Fourth Proportional to 334,420.85, 501,631.28 and 156,945.80

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Solution

The fourth proportional to 334,420.85, 501,631.28 and 156,945.80 is: 235,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,420.85 : 501,631.28 = 156,945.80 : x
  2. Step 2: Convert to fraction form
    334,420.85/501,631.28 = 156,945.80/x
  3. Step 3: Cross multiply
    334,420.85x = 501,631.28 × 156,945.80
  4. Step 4: Simplify right side
    334,420.85x = 78,728,921,759.90
  5. Step 5: Solve for x
    x = 78,728,921,759.90/334,420.85
  6. Step 6: Final answer
    x = 235,418.70

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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.