Home / 132,465.08-182,800.98-75,115.28

Finding the Fourth Proportional to 132,465.08, 182,800.98 and 75,115.28

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Solution

The fourth proportional to 132,465.08, 182,800.98 and 75,115.28 is: 103,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,465.08 : 182,800.98 = 75,115.28 : x
  2. Step 2: Convert to fraction form
    132,465.08/182,800.98 = 75,115.28/x
  3. Step 3: Cross multiply
    132,465.08x = 182,800.98 × 75,115.28
  4. Step 4: Simplify right side
    132,465.08x = 13,731,146,796.97
  5. Step 5: Solve for x
    x = 13,731,146,796.97/132,465.08
  6. Step 6: Final answer
    x = 103,658.62

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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.