Home / 254,681.28-382,021.92-96,872.76

Finding the Fourth Proportional to 254,681.28, 382,021.92 and 96,872.76

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Solution

The fourth proportional to 254,681.28, 382,021.92 and 96,872.76 is: 145,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,681.28 : 382,021.92 = 96,872.76 : x
  2. Step 2: Convert to fraction form
    254,681.28/382,021.92 = 96,872.76/x
  3. Step 3: Cross multiply
    254,681.28x = 382,021.92 × 96,872.76
  4. Step 4: Simplify right side
    254,681.28x = 37,007,517,770.90
  5. Step 5: Solve for x
    x = 37,007,517,770.90/254,681.28
  6. Step 6: Final answer
    x = 145,309.14

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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.