Home / 132,347.10-198,520.65-100,854.30

Finding the Fourth Proportional to 132,347.10, 198,520.65 and 100,854.30

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Solution

The fourth proportional to 132,347.10, 198,520.65 and 100,854.30 is: 151,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,347.10 : 198,520.65 = 100,854.30 : x
  2. Step 2: Convert to fraction form
    132,347.10/198,520.65 = 100,854.30/x
  3. Step 3: Cross multiply
    132,347.10x = 198,520.65 × 100,854.30
  4. Step 4: Simplify right side
    132,347.10x = 20,021,661,191.30
  5. Step 5: Solve for x
    x = 20,021,661,191.30/132,347.10
  6. Step 6: Final answer
    x = 151,281.45

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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.