Home / 102,161.20-153,242.08-31,084.52

Finding the Fourth Proportional to 102,161.20, 153,242.08 and 31,084.52

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Solution

The fourth proportional to 102,161.20, 153,242.08 and 31,084.52 is: 46,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,161.20 : 153,242.08 = 31,084.52 : x
  2. Step 2: Convert to fraction form
    102,161.20/153,242.08 = 31,084.52/x
  3. Step 3: Cross multiply
    102,161.20x = 153,242.08 × 31,084.52
  4. Step 4: Simplify right side
    102,161.20x = 4,763,456,500.60
  5. Step 5: Solve for x
    x = 4,763,456,500.60/102,161.20
  6. Step 6: Final answer
    x = 46,626.87

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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.