Home / 132,423.72-182,748.35-71,998.44

Finding the Fourth Proportional to 132,423.72, 182,748.35 and 71,998.44

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Solution

The fourth proportional to 132,423.72, 182,748.35 and 71,998.44 is: 99,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,423.72 : 182,748.35 = 71,998.44 : x
  2. Step 2: Convert to fraction form
    132,423.72/182,748.35 = 71,998.44/x
  3. Step 3: Cross multiply
    132,423.72x = 182,748.35 × 71,998.44
  4. Step 4: Simplify right side
    132,423.72x = 13,157,595,752.58
  5. Step 5: Solve for x
    x = 13,157,595,752.58/132,423.72
  6. Step 6: Final answer
    x = 99,359.81

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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.