Home / 209,864.38-314,863.12-74,925.56

Finding the Fourth Proportional to 209,864.38, 314,863.12 and 74,925.56

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Solution

The fourth proportional to 209,864.38, 314,863.12 and 74,925.56 is: 112,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,864.38 : 314,863.12 = 74,925.56 : x
  2. Step 2: Convert to fraction form
    209,864.38/314,863.12 = 74,925.56/x
  3. Step 3: Cross multiply
    209,864.38x = 314,863.12 × 74,925.56
  4. Step 4: Simplify right side
    209,864.38x = 23,591,294,488.33
  5. Step 5: Solve for x
    x = 23,591,294,488.33/209,864.38
  6. Step 6: Final answer
    x = 112,412.09

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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.