Home / 454,423.16-681,426.07-154,781.82

Finding the Fourth Proportional to 454,423.16, 681,426.07 and 154,781.82

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Solution

The fourth proportional to 454,423.16, 681,426.07 and 154,781.82 is: 232,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,423.16 : 681,426.07 = 154,781.82 : x
  2. Step 2: Convert to fraction form
    454,423.16/681,426.07 = 154,781.82/x
  3. Step 3: Cross multiply
    454,423.16x = 681,426.07 × 154,781.82
  4. Step 4: Simplify right side
    454,423.16x = 105,472,366,923.09
  5. Step 5: Solve for x
    x = 105,472,366,923.09/454,423.16
  6. Step 6: Final answer
    x = 232,101.65

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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.