Home / 158,600.96-218,869.34-86,982.48

Finding the Fourth Proportional to 158,600.96, 218,869.34 and 86,982.48

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Solution

The fourth proportional to 158,600.96, 218,869.34 and 86,982.48 is: 120,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,600.96 : 218,869.34 = 86,982.48 : x
  2. Step 2: Convert to fraction form
    158,600.96/218,869.34 = 86,982.48/x
  3. Step 3: Cross multiply
    158,600.96x = 218,869.34 × 86,982.48
  4. Step 4: Simplify right side
    158,600.96x = 19,037,797,554.25
  5. Step 5: Solve for x
    x = 19,037,797,554.25/158,600.96
  6. Step 6: Final answer
    x = 120,035.83

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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.