Home / 132,583.20-182,961.36-72,155.04

Finding the Fourth Proportional to 132,583.20, 182,961.36 and 72,155.04

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Solution

The fourth proportional to 132,583.20, 182,961.36 and 72,155.04 is: 99,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,583.20 : 182,961.36 = 72,155.04 : x
  2. Step 2: Convert to fraction form
    132,583.20/182,961.36 = 72,155.04/x
  3. Step 3: Cross multiply
    132,583.20x = 182,961.36 × 72,155.04
  4. Step 4: Simplify right side
    132,583.20x = 13,201,584,249.25
  5. Step 5: Solve for x
    x = 13,201,584,249.25/132,583.20
  6. Step 6: Final answer
    x = 99,572.07

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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.