Home / 132,021.40-197,456.10-118,082.20

Finding the Fourth Proportional to 132,021.40, 197,456.10 and 118,082.20

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Solution

The fourth proportional to 132,021.40, 197,456.10 and 118,082.20 is: 176,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,021.40 : 197,456.10 = 118,082.20 : x
  2. Step 2: Convert to fraction form
    132,021.40/197,456.10 = 118,082.20/x
  3. Step 3: Cross multiply
    132,021.40x = 197,456.10 × 118,082.20
  4. Step 4: Simplify right side
    132,021.40x = 23,316,050,691.42
  5. Step 5: Solve for x
    x = 23,316,050,691.42/132,021.40
  6. Step 6: Final answer
    x = 176,608.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.