Home / 187,101.59-279,626.96-136,606.95

Finding the Fourth Proportional to 187,101.59, 279,626.96 and 136,606.95

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Solution

The fourth proportional to 187,101.59, 279,626.96 and 136,606.95 is: 204,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,101.59 : 279,626.96 = 136,606.95 : x
  2. Step 2: Convert to fraction form
    187,101.59/279,626.96 = 136,606.95/x
  3. Step 3: Cross multiply
    187,101.59x = 279,626.96 × 136,606.95
  4. Step 4: Simplify right side
    187,101.59x = 38,198,986,484.89
  5. Step 5: Solve for x
    x = 38,198,986,484.89/187,101.59
  6. Step 6: Final answer
    x = 204,161.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.