Home / 232,351.20-348,519.60-66,139.20

Finding the Fourth Proportional to 232,351.20, 348,519.60 and 66,139.20

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Solution

The fourth proportional to 232,351.20, 348,519.60 and 66,139.20 is: 99,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,351.20 : 348,519.60 = 66,139.20 : x
  2. Step 2: Convert to fraction form
    232,351.20/348,519.60 = 66,139.20/x
  3. Step 3: Cross multiply
    232,351.20x = 348,519.60 × 66,139.20
  4. Step 4: Simplify right side
    232,351.20x = 23,050,807,528.32
  5. Step 5: Solve for x
    x = 23,050,807,528.32/232,351.20
  6. Step 6: Final answer
    x = 99,206.75

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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.