Home / 425,427.52-587,082.43-231,836.96

Finding the Fourth Proportional to 425,427.52, 587,082.43 and 231,836.96

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Solution

The fourth proportional to 425,427.52, 587,082.43 and 231,836.96 is: 319,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,427.52 : 587,082.43 = 231,836.96 : x
  2. Step 2: Convert to fraction form
    425,427.52/587,082.43 = 231,836.96/x
  3. Step 3: Cross multiply
    425,427.52x = 587,082.43 × 231,836.96
  4. Step 4: Simplify right side
    425,427.52x = 136,107,402,325.61
  5. Step 5: Solve for x
    x = 136,107,402,325.61/425,427.52
  6. Step 6: Final answer
    x = 319,930.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.