Home / 151,560.20-209,154.06-83,579.73

Finding the Fourth Proportional to 151,560.20, 209,154.06 and 83,579.73

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Solution

The fourth proportional to 151,560.20, 209,154.06 and 83,579.73 is: 115,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,560.20 : 209,154.06 = 83,579.73 : x
  2. Step 2: Convert to fraction form
    151,560.20/209,154.06 = 83,579.73/x
  3. Step 3: Cross multiply
    151,560.20x = 209,154.06 × 83,579.73
  4. Step 4: Simplify right side
    151,560.20x = 17,481,039,863.20
  5. Step 5: Solve for x
    x = 17,481,039,863.20/151,560.20
  6. Step 6: Final answer
    x = 115,340.57

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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.