Home / 159,723.04-220,416.30-88,103.56

Finding the Fourth Proportional to 159,723.04, 220,416.30 and 88,103.56

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Solution

The fourth proportional to 159,723.04, 220,416.30 and 88,103.56 is: 121,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,723.04 : 220,416.30 = 88,103.56 : x
  2. Step 2: Convert to fraction form
    159,723.04/220,416.30 = 88,103.56/x
  3. Step 3: Cross multiply
    159,723.04x = 220,416.30 × 88,103.56
  4. Step 4: Simplify right side
    159,723.04x = 19,419,460,712.03
  5. Step 5: Solve for x
    x = 19,419,460,712.03/159,723.04
  6. Step 6: Final answer
    x = 121,582.09

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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.