Home / 132,761.16-183,203.17-75,399.05

Finding the Fourth Proportional to 132,761.16, 183,203.17 and 75,399.05

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Solution

The fourth proportional to 132,761.16, 183,203.17 and 75,399.05 is: 104,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,761.16 : 183,203.17 = 75,399.05 : x
  2. Step 2: Convert to fraction form
    132,761.16/183,203.17 = 75,399.05/x
  3. Step 3: Cross multiply
    132,761.16x = 183,203.17 × 75,399.05
  4. Step 4: Simplify right side
    132,761.16x = 13,813,345,244.50
  5. Step 5: Solve for x
    x = 13,813,345,244.50/132,761.16
  6. Step 6: Final answer
    x = 104,046.58

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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.