Home / 132,189.10-182,421.11-75,600.47

Finding the Fourth Proportional to 132,189.10, 182,421.11 and 75,600.47

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Solution

The fourth proportional to 132,189.10, 182,421.11 and 75,600.47 is: 104,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,189.10 : 182,421.11 = 75,600.47 : x
  2. Step 2: Convert to fraction form
    132,189.10/182,421.11 = 75,600.47/x
  3. Step 3: Cross multiply
    132,189.10x = 182,421.11 × 75,600.47
  4. Step 4: Simplify right side
    132,189.10x = 13,791,122,298.98
  5. Step 5: Solve for x
    x = 13,791,122,298.98/132,189.10
  6. Step 6: Final answer
    x = 104,328.74

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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.