Home / 132,408.67-182,725.16-71,979.43

Finding the Fourth Proportional to 132,408.67, 182,725.16 and 71,979.43

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Solution

The fourth proportional to 132,408.67, 182,725.16 and 71,979.43 is: 99,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,408.67 : 182,725.16 = 71,979.43 : x
  2. Step 2: Convert to fraction form
    132,408.67/182,725.16 = 71,979.43/x
  3. Step 3: Cross multiply
    132,408.67x = 182,725.16 × 71,979.43
  4. Step 4: Simplify right side
    132,408.67x = 13,152,452,503.56
  5. Step 5: Solve for x
    x = 13,152,452,503.56/132,408.67
  6. Step 6: Final answer
    x = 99,332.26

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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.