Home / 132,079.56-198,168.66-53,216.16

Finding the Fourth Proportional to 132,079.56, 198,168.66 and 53,216.16

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Solution

The fourth proportional to 132,079.56, 198,168.66 and 53,216.16 is: 79,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,079.56 : 198,168.66 = 53,216.16 : x
  2. Step 2: Convert to fraction form
    132,079.56/198,168.66 = 53,216.16/x
  3. Step 3: Cross multiply
    132,079.56x = 198,168.66 × 53,216.16
  4. Step 4: Simplify right side
    132,079.56x = 10,545,775,117.55
  5. Step 5: Solve for x
    x = 10,545,775,117.55/132,079.56
  6. Step 6: Final answer
    x = 79,844.11

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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.