Home / 132,293.10-182,559.24-78,576.69

Finding the Fourth Proportional to 132,293.10, 182,559.24 and 78,576.69

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Solution

The fourth proportional to 132,293.10, 182,559.24 and 78,576.69 is: 108,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,293.10 : 182,559.24 = 78,576.69 : x
  2. Step 2: Convert to fraction form
    132,293.10/182,559.24 = 78,576.69/x
  3. Step 3: Cross multiply
    132,293.10x = 182,559.24 × 78,576.69
  4. Step 4: Simplify right side
    132,293.10x = 14,344,900,808.12
  5. Step 5: Solve for x
    x = 14,344,900,808.12/132,293.10
  6. Step 6: Final answer
    x = 108,432.72

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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.