Home / 134,723.93-185,920.31-74,296.71

Finding the Fourth Proportional to 134,723.93, 185,920.31 and 74,296.71

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Solution

The fourth proportional to 134,723.93, 185,920.31 and 74,296.71 is: 102,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,723.93 : 185,920.31 = 74,296.71 : x
  2. Step 2: Convert to fraction form
    134,723.93/185,920.31 = 74,296.71/x
  3. Step 3: Cross multiply
    134,723.93x = 185,920.31 × 74,296.71
  4. Step 4: Simplify right side
    134,723.93x = 13,813,267,540.92
  5. Step 5: Solve for x
    x = 13,813,267,540.92/134,723.93
  6. Step 6: Final answer
    x = 102,530.17

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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.