Home / 381,327.17-571,637.66-141,307.43

Finding the Fourth Proportional to 381,327.17, 571,637.66 and 141,307.43

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Solution

The fourth proportional to 381,327.17, 571,637.66 and 141,307.43 is: 211,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,327.17 : 571,637.66 = 141,307.43 : x
  2. Step 2: Convert to fraction form
    381,327.17/571,637.66 = 141,307.43/x
  3. Step 3: Cross multiply
    381,327.17x = 571,637.66 × 141,307.43
  4. Step 4: Simplify right side
    381,327.17x = 80,776,645,061.09
  5. Step 5: Solve for x
    x = 80,776,645,061.09/381,327.17
  6. Step 6: Final answer
    x = 211,830.29

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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.