Home / 121,925.24-182,789.44-112,083.74

Finding the Fourth Proportional to 121,925.24, 182,789.44 and 112,083.74

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Solution

The fourth proportional to 121,925.24, 182,789.44 and 112,083.74 is: 168,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,925.24 : 182,789.44 = 112,083.74 : x
  2. Step 2: Convert to fraction form
    121,925.24/182,789.44 = 112,083.74/x
  3. Step 3: Cross multiply
    121,925.24x = 182,789.44 × 112,083.74
  4. Step 4: Simplify right side
    121,925.24x = 20,487,724,067.71
  5. Step 5: Solve for x
    x = 20,487,724,067.71/121,925.24
  6. Step 6: Final answer
    x = 168,035.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.