Home / 268,538.18-370,575.29-147,679.46

Finding the Fourth Proportional to 268,538.18, 370,575.29 and 147,679.46

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Solution

The fourth proportional to 268,538.18, 370,575.29 and 147,679.46 is: 203,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,538.18 : 370,575.29 = 147,679.46 : x
  2. Step 2: Convert to fraction form
    268,538.18/370,575.29 = 147,679.46/x
  3. Step 3: Cross multiply
    268,538.18x = 370,575.29 × 147,679.46
  4. Step 4: Simplify right side
    268,538.18x = 54,726,356,125.27
  5. Step 5: Solve for x
    x = 54,726,356,125.27/268,538.18
  6. Step 6: Final answer
    x = 203,793.58

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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.