Home / 132,532.64-182,890.88-72,101.75

Finding the Fourth Proportional to 132,532.64, 182,890.88 and 72,101.75

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Solution

The fourth proportional to 132,532.64, 182,890.88 and 72,101.75 is: 99,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,532.64 : 182,890.88 = 72,101.75 : x
  2. Step 2: Convert to fraction form
    132,532.64/182,890.88 = 72,101.75/x
  3. Step 3: Cross multiply
    132,532.64x = 182,890.88 × 72,101.75
  4. Step 4: Simplify right side
    132,532.64x = 13,186,751,502.46
  5. Step 5: Solve for x
    x = 13,186,751,502.46/132,532.64
  6. Step 6: Final answer
    x = 99,498.14

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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.