Home / 134,062.84-185,093.40-83,129.68

Finding the Fourth Proportional to 134,062.84, 185,093.40 and 83,129.68

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Solution

The fourth proportional to 134,062.84, 185,093.40 and 83,129.68 is: 114,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,062.84 : 185,093.40 = 83,129.68 : x
  2. Step 2: Convert to fraction form
    134,062.84/185,093.40 = 83,129.68/x
  3. Step 3: Cross multiply
    134,062.84x = 185,093.40 × 83,129.68
  4. Step 4: Simplify right side
    134,062.84x = 15,386,755,112.11
  5. Step 5: Solve for x
    x = 15,386,755,112.11/134,062.84
  6. Step 6: Final answer
    x = 114,772.71

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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.