Home / 132,141.03-182,355.96-71,712.20

Finding the Fourth Proportional to 132,141.03, 182,355.96 and 71,712.20

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Solution

The fourth proportional to 132,141.03, 182,355.96 and 71,712.20 is: 98,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,141.03 : 182,355.96 = 71,712.20 : x
  2. Step 2: Convert to fraction form
    132,141.03/182,355.96 = 71,712.20/x
  3. Step 3: Cross multiply
    132,141.03x = 182,355.96 × 71,712.20
  4. Step 4: Simplify right side
    132,141.03x = 13,077,146,618.82
  5. Step 5: Solve for x
    x = 13,077,146,618.82/132,141.03
  6. Step 6: Final answer
    x = 98,963.56

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1.5x scale

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.