Home / 132,194.12-182,429.28-71,765.32

Finding the Fourth Proportional to 132,194.12, 182,429.28 and 71,765.32

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Solution

The fourth proportional to 132,194.12, 182,429.28 and 71,765.32 is: 99,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,194.12 : 182,429.28 = 71,765.32 : x
  2. Step 2: Convert to fraction form
    132,194.12/182,429.28 = 71,765.32/x
  3. Step 3: Cross multiply
    132,194.12x = 182,429.28 × 71,765.32
  4. Step 4: Simplify right side
    132,194.12x = 13,092,095,656.57
  5. Step 5: Solve for x
    x = 13,092,095,656.57/132,194.12
  6. Step 6: Final answer
    x = 99,036.90

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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.