Home / 527,433.30-791,171.78-153,456.30

Finding the Fourth Proportional to 527,433.30, 791,171.78 and 153,456.30

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Solution

The fourth proportional to 527,433.30, 791,171.78 and 153,456.30 is: 230,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,433.30 : 791,171.78 = 153,456.30 : x
  2. Step 2: Convert to fraction form
    527,433.30/791,171.78 = 153,456.30/x
  3. Step 3: Cross multiply
    527,433.30x = 791,171.78 × 153,456.30
  4. Step 4: Simplify right side
    527,433.30x = 121,410,294,023.21
  5. Step 5: Solve for x
    x = 121,410,294,023.21/527,433.30
  6. Step 6: Final answer
    x = 230,190.80

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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.