Home / 159,614.06-220,268.91-87,996.65

Finding the Fourth Proportional to 159,614.06, 220,268.91 and 87,996.65

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Solution

The fourth proportional to 159,614.06, 220,268.91 and 87,996.65 is: 121,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,614.06 : 220,268.91 = 87,996.65 : x
  2. Step 2: Convert to fraction form
    159,614.06/220,268.91 = 87,996.65/x
  3. Step 3: Cross multiply
    159,614.06x = 220,268.91 × 87,996.65
  4. Step 4: Simplify right side
    159,614.06x = 19,382,925,077.81
  5. Step 5: Solve for x
    x = 19,382,925,077.81/159,614.06
  6. Step 6: Final answer
    x = 121,436.20

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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.