Home / 159,613.58-220,268.44-87,996.17

Finding the Fourth Proportional to 159,613.58, 220,268.44 and 87,996.17

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Solution

The fourth proportional to 159,613.58, 220,268.44 and 87,996.17 is: 121,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,613.58 : 220,268.44 = 87,996.17 : x
  2. Step 2: Convert to fraction form
    159,613.58/220,268.44 = 87,996.17/x
  3. Step 3: Cross multiply
    159,613.58x = 220,268.44 × 87,996.17
  4. Step 4: Simplify right side
    159,613.58x = 19,382,779,752.54
  5. Step 5: Solve for x
    x = 19,382,779,752.54/159,613.58
  6. Step 6: Final answer
    x = 121,435.65

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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.