Home / 132,399.60-182,707.58-71,968.70

Finding the Fourth Proportional to 132,399.60, 182,707.58 and 71,968.70

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Solution

The fourth proportional to 132,399.60, 182,707.58 and 71,968.70 is: 99,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,399.60 : 182,707.58 = 71,968.70 : x
  2. Step 2: Convert to fraction form
    132,399.60/182,707.58 = 71,968.70/x
  3. Step 3: Cross multiply
    132,399.60x = 182,707.58 × 71,968.70
  4. Step 4: Simplify right side
    132,399.60x = 13,149,227,649.44
  5. Step 5: Solve for x
    x = 13,149,227,649.44/132,399.60
  6. Step 6: Final answer
    x = 99,314.71

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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.