Home / 132,419.67-182,755.95-75,068.32

Finding the Fourth Proportional to 132,419.67, 182,755.95 and 75,068.32

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Solution

The fourth proportional to 132,419.67, 182,755.95 and 75,068.32 is: 103,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.67 : 182,755.95 = 75,068.32 : x
  2. Step 2: Convert to fraction form
    132,419.67/182,755.95 = 75,068.32/x
  3. Step 3: Cross multiply
    132,419.67x = 182,755.95 × 75,068.32
  4. Step 4: Simplify right side
    132,419.67x = 13,719,182,136.50
  5. Step 5: Solve for x
    x = 13,719,182,136.50/132,419.67
  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.