Home / 132,445.56-198,668.10-93,178.20

Finding the Fourth Proportional to 132,445.56, 198,668.10 and 93,178.20

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Solution

The fourth proportional to 132,445.56, 198,668.10 and 93,178.20 is: 139,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,445.56 : 198,668.10 = 93,178.20 : x
  2. Step 2: Convert to fraction form
    132,445.56/198,668.10 = 93,178.20/x
  3. Step 3: Cross multiply
    132,445.56x = 198,668.10 × 93,178.20
  4. Step 4: Simplify right side
    132,445.56x = 18,511,535,955.42
  5. Step 5: Solve for x
    x = 18,511,535,955.42/132,445.56
  6. Step 6: Final answer
    x = 139,767.13

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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.