Home / 268,304.30-402,456.45-248,029.10

Finding the Fourth Proportional to 268,304.30, 402,456.45 and 248,029.10

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Solution

The fourth proportional to 268,304.30, 402,456.45 and 248,029.10 is: 372,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,304.30 : 402,456.45 = 248,029.10 : x
  2. Step 2: Convert to fraction form
    268,304.30/402,456.45 = 248,029.10/x
  3. Step 3: Cross multiply
    268,304.30x = 402,456.45 × 248,029.10
  4. Step 4: Simplify right side
    268,304.30x = 99,820,911,082.70
  5. Step 5: Solve for x
    x = 99,820,911,082.70/268,304.30
  6. Step 6: Final answer
    x = 372,043.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.