Home / 132,432.75-182,757.23-72,816.75

Finding the Fourth Proportional to 132,432.75, 182,757.23 and 72,816.75

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Solution

The fourth proportional to 132,432.75, 182,757.23 and 72,816.75 is: 100,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,432.75 : 182,757.23 = 72,816.75 : x
  2. Step 2: Convert to fraction form
    132,432.75/182,757.23 = 72,816.75/x
  3. Step 3: Cross multiply
    132,432.75x = 182,757.23 × 72,816.75
  4. Step 4: Simplify right side
    132,432.75x = 13,307,787,527.60
  5. Step 5: Solve for x
    x = 13,307,787,527.60/132,432.75
  6. Step 6: Final answer
    x = 100,487.13

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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.