Home / 132,554.56-182,919.82-72,125.46

Finding the Fourth Proportional to 132,554.56, 182,919.82 and 72,125.46

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Solution

The fourth proportional to 132,554.56, 182,919.82 and 72,125.46 is: 99,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,554.56 : 182,919.82 = 72,125.46 : x
  2. Step 2: Convert to fraction form
    132,554.56/182,919.82 = 72,125.46/x
  3. Step 3: Cross multiply
    132,554.56x = 182,919.82 × 72,125.46
  4. Step 4: Simplify right side
    132,554.56x = 13,193,176,160.62
  5. Step 5: Solve for x
    x = 13,193,176,160.62/132,554.56
  6. Step 6: Final answer
    x = 99,530.16

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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.