Home / 121,475.08-182,214.24-42,591.61

Finding the Fourth Proportional to 121,475.08, 182,214.24 and 42,591.61

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Solution

The fourth proportional to 121,475.08, 182,214.24 and 42,591.61 is: 63,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,475.08 : 182,214.24 = 42,591.61 : x
  2. Step 2: Convert to fraction form
    121,475.08/182,214.24 = 42,591.61/x
  3. Step 3: Cross multiply
    121,475.08x = 182,214.24 × 42,591.61
  4. Step 4: Simplify right side
    121,475.08x = 7,760,797,846.53
  5. Step 5: Solve for x
    x = 7,760,797,846.53/121,475.08
  6. Step 6: Final answer
    x = 63,887.98

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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.