Home / 235,671.17-353,562.12-77,899.61

Finding the Fourth Proportional to 235,671.17, 353,562.12 and 77,899.61

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Solution

The fourth proportional to 235,671.17, 353,562.12 and 77,899.61 is: 116,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,671.17 : 353,562.12 = 77,899.61 : x
  2. Step 2: Convert to fraction form
    235,671.17/353,562.12 = 77,899.61/x
  3. Step 3: Cross multiply
    235,671.17x = 353,562.12 × 77,899.61
  4. Step 4: Simplify right side
    235,671.17x = 27,542,352,142.68
  5. Step 5: Solve for x
    x = 27,542,352,142.68/235,671.17
  6. Step 6: Final answer
    x = 116,867.72

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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.