Home / 132,070.20-198,117.45-53,168.10

Finding the Fourth Proportional to 132,070.20, 198,117.45 and 53,168.10

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Solution

The fourth proportional to 132,070.20, 198,117.45 and 53,168.10 is: 79,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.20 : 198,117.45 = 53,168.10 : x
  2. Step 2: Convert to fraction form
    132,070.20/198,117.45 = 53,168.10/x
  3. Step 3: Cross multiply
    132,070.20x = 198,117.45 × 53,168.10
  4. Step 4: Simplify right side
    132,070.20x = 10,533,528,393.35
  5. Step 5: Solve for x
    x = 10,533,528,393.35/132,070.20
  6. Step 6: Final answer
    x = 79,757.04

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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.