Home / 159,623.50-220,290.36-88,003.42

Finding the Fourth Proportional to 159,623.50, 220,290.36 and 88,003.42

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Solution

The fourth proportional to 159,623.50, 220,290.36 and 88,003.42 is: 121,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,623.50 : 220,290.36 = 88,003.42 : x
  2. Step 2: Convert to fraction form
    159,623.50/220,290.36 = 88,003.42/x
  3. Step 3: Cross multiply
    159,623.50x = 220,290.36 × 88,003.42
  4. Step 4: Simplify right side
    159,623.50x = 19,386,305,073.03
  5. Step 5: Solve for x
    x = 19,386,305,073.03/159,623.50
  6. Step 6: Final answer
    x = 121,450.19

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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.