Home / 158,246.93-218,383.16-86,633.62

Finding the Fourth Proportional to 158,246.93, 218,383.16 and 86,633.62

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Solution

The fourth proportional to 158,246.93, 218,383.16 and 86,633.62 is: 119,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,246.93 : 218,383.16 = 86,633.62 : x
  2. Step 2: Convert to fraction form
    158,246.93/218,383.16 = 86,633.62/x
  3. Step 3: Cross multiply
    158,246.93x = 218,383.16 × 86,633.62
  4. Step 4: Simplify right side
    158,246.93x = 18,919,323,697.84
  5. Step 5: Solve for x
    x = 18,919,323,697.84/158,246.93
  6. Step 6: Final answer
    x = 119,555.71

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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.