Home / 161,534.85-242,351.88-82,704.43

Finding the Fourth Proportional to 161,534.85, 242,351.88 and 82,704.43

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Solution

The fourth proportional to 161,534.85, 242,351.88 and 82,704.43 is: 124,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,534.85 : 242,351.88 = 82,704.43 : x
  2. Step 2: Convert to fraction form
    161,534.85/242,351.88 = 82,704.43/x
  3. Step 3: Cross multiply
    161,534.85x = 242,351.88 × 82,704.43
  4. Step 4: Simplify right side
    161,534.85x = 20,043,574,094.83
  5. Step 5: Solve for x
    x = 20,043,574,094.83/161,534.85
  6. Step 6: Final answer
    x = 124,082.04

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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.