Home / 185,193.49-255,553.77-108,715.72

Finding the Fourth Proportional to 185,193.49, 255,553.77 and 108,715.72

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Solution

The fourth proportional to 185,193.49, 255,553.77 and 108,715.72 is: 150,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,193.49 : 255,553.77 = 108,715.72 : x
  2. Step 2: Convert to fraction form
    185,193.49/255,553.77 = 108,715.72/x
  3. Step 3: Cross multiply
    185,193.49x = 255,553.77 × 108,715.72
  4. Step 4: Simplify right side
    185,193.49x = 27,782,712,104.26
  5. Step 5: Solve for x
    x = 27,782,712,104.26/185,193.49
  6. Step 6: Final answer
    x = 150,019.92

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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.