Home / 132,399.64-198,536.88-48,101.02

Finding the Fourth Proportional to 132,399.64, 198,536.88 and 48,101.02

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Solution

The fourth proportional to 132,399.64, 198,536.88 and 48,101.02 is: 72,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,399.64 : 198,536.88 = 48,101.02 : x
  2. Step 2: Convert to fraction form
    132,399.64/198,536.88 = 48,101.02/x
  3. Step 3: Cross multiply
    132,399.64x = 198,536.88 × 48,101.02
  4. Step 4: Simplify right side
    132,399.64x = 9,549,825,939.28
  5. Step 5: Solve for x
    x = 9,549,825,939.28/132,399.64
  6. Step 6: Final answer
    x = 72,128.79

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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.