Home / 161,930.70-243,106.53-124,517.04

Finding the Fourth Proportional to 161,930.70, 243,106.53 and 124,517.04

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Solution

The fourth proportional to 161,930.70, 243,106.53 and 124,517.04 is: 186,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.70 : 243,106.53 = 124,517.04 : x
  2. Step 2: Convert to fraction form
    161,930.70/243,106.53 = 124,517.04/x
  3. Step 3: Cross multiply
    161,930.70x = 243,106.53 × 124,517.04
  4. Step 4: Simplify right side
    161,930.70x = 30,270,905,520.27
  5. Step 5: Solve for x
    x = 30,270,905,520.27/161,930.70
  6. Step 6: Final answer
    x = 186,937.41

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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.