Home / 134,115.31-185,002.16-83,726.83

Finding the Fourth Proportional to 134,115.31, 185,002.16 and 83,726.83

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Solution

The fourth proportional to 134,115.31, 185,002.16 and 83,726.83 is: 115,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,115.31 : 185,002.16 = 83,726.83 : x
  2. Step 2: Convert to fraction form
    134,115.31/185,002.16 = 83,726.83/x
  3. Step 3: Cross multiply
    134,115.31x = 185,002.16 × 83,726.83
  4. Step 4: Simplify right side
    134,115.31x = 15,489,643,518.81
  5. Step 5: Solve for x
    x = 15,489,643,518.81/134,115.31
  6. Step 6: Final answer
    x = 115,494.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.