Home / 132,419.66-182,755.94-75,068.32

Finding the Fourth Proportional to 132,419.66, 182,755.94 and 75,068.32

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Solution

The fourth proportional to 132,419.66, 182,755.94 and 75,068.32 is: 103,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.66 : 182,755.94 = 75,068.32 : x
  2. Step 2: Convert to fraction form
    132,419.66/182,755.94 = 75,068.32/x
  3. Step 3: Cross multiply
    132,419.66x = 182,755.94 × 75,068.32
  4. Step 4: Simplify right side
    132,419.66x = 13,719,181,385.82
  5. Step 5: Solve for x
    x = 13,719,181,385.82/132,419.66
  6. Step 6: Final answer
    x = 103,603.81

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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.