Home / 134,679.06-185,856.32-74,249.48

Finding the Fourth Proportional to 134,679.06, 185,856.32 and 74,249.48

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Solution

The fourth proportional to 134,679.06, 185,856.32 and 74,249.48 is: 102,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,679.06 : 185,856.32 = 74,249.48 : x
  2. Step 2: Convert to fraction form
    134,679.06/185,856.32 = 74,249.48/x
  3. Step 3: Cross multiply
    134,679.06x = 185,856.32 × 74,249.48
  4. Step 4: Simplify right side
    134,679.06x = 13,799,735,114.71
  5. Step 5: Solve for x
    x = 13,799,735,114.71/134,679.06
  6. Step 6: Final answer
    x = 102,463.85

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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.