Home / 437,221.89-656,023.43-153,116.25

Finding the Fourth Proportional to 437,221.89, 656,023.43 and 153,116.25

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Solution

The fourth proportional to 437,221.89, 656,023.43 and 153,116.25 is: 229,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,221.89 : 656,023.43 = 153,116.25 : x
  2. Step 2: Convert to fraction form
    437,221.89/656,023.43 = 153,116.25/x
  3. Step 3: Cross multiply
    437,221.89x = 656,023.43 × 153,116.25
  4. Step 4: Simplify right side
    437,221.89x = 100,447,845,436.44
  5. Step 5: Solve for x
    x = 100,447,845,436.44/437,221.89
  6. Step 6: Final answer
    x = 229,741.12

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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.