Home / 159,543.10-220,170.98-87,925.73

Finding the Fourth Proportional to 159,543.10, 220,170.98 and 87,925.73

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Solution

The fourth proportional to 159,543.10, 220,170.98 and 87,925.73 is: 121,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,543.10 : 220,170.98 = 87,925.73 : x
  2. Step 2: Convert to fraction form
    159,543.10/220,170.98 = 87,925.73/x
  3. Step 3: Cross multiply
    159,543.10x = 220,170.98 × 87,925.73
  4. Step 4: Simplify right side
    159,543.10x = 19,358,694,141.32
  5. Step 5: Solve for x
    x = 19,358,694,141.32/159,543.10
  6. Step 6: Final answer
    x = 121,338.34

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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.