Home / 134,115.06-185,081.88-73,689.48

Finding the Fourth Proportional to 134,115.06, 185,081.88 and 73,689.48

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Solution

The fourth proportional to 134,115.06, 185,081.88 and 73,689.48 is: 101,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,115.06 : 185,081.88 = 73,689.48 : x
  2. Step 2: Convert to fraction form
    134,115.06/185,081.88 = 73,689.48/x
  3. Step 3: Cross multiply
    134,115.06x = 185,081.88 × 73,689.48
  4. Step 4: Simplify right side
    134,115.06x = 13,638,587,494.62
  5. Step 5: Solve for x
    x = 13,638,587,494.62/134,115.06
  6. Step 6: Final answer
    x = 101,693.18

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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.