Home / 134,719.14-185,903.82-74,290.17

Finding the Fourth Proportional to 134,719.14, 185,903.82 and 74,290.17

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Solution

The fourth proportional to 134,719.14, 185,903.82 and 74,290.17 is: 102,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.14 : 185,903.82 = 74,290.17 : x
  2. Step 2: Convert to fraction form
    134,719.14/185,903.82 = 74,290.17/x
  3. Step 3: Cross multiply
    134,719.14x = 185,903.82 × 74,290.17
  4. Step 4: Simplify right side
    134,719.14x = 13,810,826,391.45
  5. Step 5: Solve for x
    x = 13,810,826,391.45/134,719.14
  6. Step 6: Final answer
    x = 102,515.70

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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.