Home / 209,110.29-288,565.79-113,614.94

Finding the Fourth Proportional to 209,110.29, 288,565.79 and 113,614.94

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Solution

The fourth proportional to 209,110.29, 288,565.79 and 113,614.94 is: 156,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,110.29 : 288,565.79 = 113,614.94 : x
  2. Step 2: Convert to fraction form
    209,110.29/288,565.79 = 113,614.94/x
  3. Step 3: Cross multiply
    209,110.29x = 288,565.79 × 113,614.94
  4. Step 4: Simplify right side
    209,110.29x = 32,785,382,906.00
  5. Step 5: Solve for x
    x = 32,785,382,906.00/209,110.29
  6. Step 6: Final answer
    x = 156,785.12

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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.