Home / 268,517.19-370,543.75-147,651.28

Finding the Fourth Proportional to 268,517.19, 370,543.75 and 147,651.28

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Solution

The fourth proportional to 268,517.19, 370,543.75 and 147,651.28 is: 203,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,517.19 : 370,543.75 = 147,651.28 : x
  2. Step 2: Convert to fraction form
    268,517.19/370,543.75 = 147,651.28/x
  3. Step 3: Cross multiply
    268,517.19x = 370,543.75 × 147,651.28
  4. Step 4: Simplify right side
    268,517.19x = 54,711,258,983.50
  5. Step 5: Solve for x
    x = 54,711,258,983.50/268,517.19
  6. Step 6: Final answer
    x = 203,753.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.