Home / 186,100.20-279,037.92-83,498.80

Finding the Fourth Proportional to 186,100.20, 279,037.92 and 83,498.80

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Solution

The fourth proportional to 186,100.20, 279,037.92 and 83,498.80 is: 125,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,100.20 : 279,037.92 = 83,498.80 : x
  2. Step 2: Convert to fraction form
    186,100.20/279,037.92 = 83,498.80/x
  3. Step 3: Cross multiply
    186,100.20x = 279,037.92 × 83,498.80
  4. Step 4: Simplify right side
    186,100.20x = 23,299,331,474.50
  5. Step 5: Solve for x
    x = 23,299,331,474.50/186,100.20
  6. Step 6: Final answer
    x = 125,197.78

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1.5x scale

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.