Home / 186,521.93-279,755.57-91,726.63

Finding the Fourth Proportional to 186,521.93, 279,755.57 and 91,726.63

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Solution

The fourth proportional to 186,521.93, 279,755.57 and 91,726.63 is: 137,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,521.93 : 279,755.57 = 91,726.63 : x
  2. Step 2: Convert to fraction form
    186,521.93/279,755.57 = 91,726.63/x
  3. Step 3: Cross multiply
    186,521.93x = 279,755.57 × 91,726.63
  4. Step 4: Simplify right side
    186,521.93x = 25,661,036,129.90
  5. Step 5: Solve for x
    x = 25,661,036,129.90/186,521.93
  6. Step 6: Final answer
    x = 137,576.51

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1.5x scale

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.