Home / 268,539.47-370,575.98-147,680.37

Finding the Fourth Proportional to 268,539.47, 370,575.98 and 147,680.37

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Solution

The fourth proportional to 268,539.47, 370,575.98 and 147,680.37 is: 203,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,539.47 : 370,575.98 = 147,680.37 : x
  2. Step 2: Convert to fraction form
    268,539.47/370,575.98 = 147,680.37/x
  3. Step 3: Cross multiply
    268,539.47x = 370,575.98 × 147,680.37
  4. Step 4: Simplify right side
    268,539.47x = 54,726,797,101.11
  5. Step 5: Solve for x
    x = 54,726,797,101.11/268,539.47
  6. Step 6: Final answer
    x = 203,794.24

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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.