Home / 187,908.13-281,685.79-63,161.65

Finding the Fourth Proportional to 187,908.13, 281,685.79 and 63,161.65

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Solution

The fourth proportional to 187,908.13, 281,685.79 and 63,161.65 is: 94,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,908.13 : 281,685.79 = 63,161.65 : x
  2. Step 2: Convert to fraction form
    187,908.13/281,685.79 = 63,161.65/x
  3. Step 3: Cross multiply
    187,908.13x = 281,685.79 × 63,161.65
  4. Step 4: Simplify right side
    187,908.13x = 17,791,739,277.95
  5. Step 5: Solve for x
    x = 17,791,739,277.95/187,908.13
  6. Step 6: Final answer
    x = 94,683.18

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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.