Home / 268,922.46-371,109.92-148,061.28

Finding the Fourth Proportional to 268,922.46, 371,109.92 and 148,061.28

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Solution

The fourth proportional to 268,922.46, 371,109.92 and 148,061.28 is: 204,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,922.46 : 371,109.92 = 148,061.28 : x
  2. Step 2: Convert to fraction form
    268,922.46/371,109.92 = 148,061.28/x
  3. Step 3: Cross multiply
    268,922.46x = 371,109.92 × 148,061.28
  4. Step 4: Simplify right side
    268,922.46x = 54,947,009,775.90
  5. Step 5: Solve for x
    x = 54,947,009,775.90/268,922.46
  6. Step 6: Final answer
    x = 204,322.87

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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.