Home / 268,972.20-371,181.69-148,113.18

Finding the Fourth Proportional to 268,972.20, 371,181.69 and 148,113.18

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Solution

The fourth proportional to 268,972.20, 371,181.69 and 148,113.18 is: 204,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.20 : 371,181.69 = 148,113.18 : x
  2. Step 2: Convert to fraction form
    268,972.20/371,181.69 = 148,113.18/x
  3. Step 3: Cross multiply
    268,972.20x = 371,181.69 × 148,113.18
  4. Step 4: Simplify right side
    268,972.20x = 54,976,900,463.67
  5. Step 5: Solve for x
    x = 54,976,900,463.67/268,972.20
  6. Step 6: Final answer
    x = 204,396.22

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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.