Home / 132,157.40-182,377.39-71,728.04

Finding the Fourth Proportional to 132,157.40, 182,377.39 and 71,728.04

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Solution

The fourth proportional to 132,157.40, 182,377.39 and 71,728.04 is: 98,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,157.40 : 182,377.39 = 71,728.04 : x
  2. Step 2: Convert to fraction form
    132,157.40/182,377.39 = 71,728.04/x
  3. Step 3: Cross multiply
    132,157.40x = 182,377.39 × 71,728.04
  4. Step 4: Simplify right side
    132,157.40x = 13,081,572,110.26
  5. Step 5: Solve for x
    x = 13,081,572,110.26/132,157.40
  6. Step 6: Final answer
    x = 98,984.79

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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.