Home / 158,016.18-218,062.35-86,396.25

Finding the Fourth Proportional to 158,016.18, 218,062.35 and 86,396.25

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Solution

The fourth proportional to 158,016.18, 218,062.35 and 86,396.25 is: 119,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,016.18 : 218,062.35 = 86,396.25 : x
  2. Step 2: Convert to fraction form
    158,016.18/218,062.35 = 86,396.25/x
  3. Step 3: Cross multiply
    158,016.18x = 218,062.35 × 86,396.25
  4. Step 4: Simplify right side
    158,016.18x = 18,839,768,874.21
  5. Step 5: Solve for x
    x = 18,839,768,874.21/158,016.18
  6. Step 6: Final answer
    x = 119,226.83

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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.