Home / 147,233.40-220,850.10-130,320.60

Finding the Fourth Proportional to 147,233.40, 220,850.10 and 130,320.60

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Solution

The fourth proportional to 147,233.40, 220,850.10 and 130,320.60 is: 195,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,233.40 : 220,850.10 = 130,320.60 : x
  2. Step 2: Convert to fraction form
    147,233.40/220,850.10 = 130,320.60/x
  3. Step 3: Cross multiply
    147,233.40x = 220,850.10 × 130,320.60
  4. Step 4: Simplify right side
    147,233.40x = 28,781,317,542.06
  5. Step 5: Solve for x
    x = 28,781,317,542.06/147,233.40
  6. Step 6: Final answer
    x = 195,480.90

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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.