Home / 454,716.11-681,886.50-155,220.84

Finding the Fourth Proportional to 454,716.11, 681,886.50 and 155,220.84

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Solution

The fourth proportional to 454,716.11, 681,886.50 and 155,220.84 is: 232,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,716.11 : 681,886.50 = 155,220.84 : x
  2. Step 2: Convert to fraction form
    454,716.11/681,886.50 = 155,220.84/x
  3. Step 3: Cross multiply
    454,716.11x = 681,886.50 × 155,220.84
  4. Step 4: Simplify right side
    454,716.11x = 105,842,995,605.70
  5. Step 5: Solve for x
    x = 105,842,995,605.70/454,716.11
  6. Step 6: Final answer
    x = 232,767.20

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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.