Home / 159,998.07-220,793.10-88,376.55

Finding the Fourth Proportional to 159,998.07, 220,793.10 and 88,376.55

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Solution

The fourth proportional to 159,998.07, 220,793.10 and 88,376.55 is: 121,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,998.07 : 220,793.10 = 88,376.55 : x
  2. Step 2: Convert to fraction form
    159,998.07/220,793.10 = 88,376.55/x
  3. Step 3: Cross multiply
    159,998.07x = 220,793.10 × 88,376.55
  4. Step 4: Simplify right side
    159,998.07x = 19,512,932,441.81
  5. Step 5: Solve for x
    x = 19,512,932,441.81/159,998.07
  6. Step 6: Final answer
    x = 121,957.30

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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.