Home / 199,215.36-274,909.17-108,569.40

Finding the Fourth Proportional to 199,215.36, 274,909.17 and 108,569.40

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Solution

The fourth proportional to 199,215.36, 274,909.17 and 108,569.40 is: 149,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,215.36 : 274,909.17 = 108,569.40 : x
  2. Step 2: Convert to fraction form
    199,215.36/274,909.17 = 108,569.40/x
  3. Step 3: Cross multiply
    199,215.36x = 274,909.17 × 108,569.40
  4. Step 4: Simplify right side
    199,215.36x = 29,846,723,641.40
  5. Step 5: Solve for x
    x = 29,846,723,641.40/199,215.36
  6. Step 6: Final answer
    x = 149,821.40

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1.5x scale

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.