Home / 132,544.92-182,913.87-72,115.61

Finding the Fourth Proportional to 132,544.92, 182,913.87 and 72,115.61

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Solution

The fourth proportional to 132,544.92, 182,913.87 and 72,115.61 is: 99,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.92 : 182,913.87 = 72,115.61 : x
  2. Step 2: Convert to fraction form
    132,544.92/182,913.87 = 72,115.61/x
  3. Step 3: Cross multiply
    132,544.92x = 182,913.87 × 72,115.61
  4. Step 4: Simplify right side
    132,544.92x = 13,190,945,312.51
  5. Step 5: Solve for x
    x = 13,190,945,312.51/132,544.92
  6. Step 6: Final answer
    x = 99,520.56

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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.