Home / 112,565.24-168,764.02-68,181.29

Finding the Fourth Proportional to 112,565.24, 168,764.02 and 68,181.29

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Solution

The fourth proportional to 112,565.24, 168,764.02 and 68,181.29 is: 102,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,565.24 : 168,764.02 = 68,181.29 : x
  2. Step 2: Convert to fraction form
    112,565.24/168,764.02 = 68,181.29/x
  3. Step 3: Cross multiply
    112,565.24x = 168,764.02 × 68,181.29
  4. Step 4: Simplify right side
    112,565.24x = 11,506,548,589.19
  5. Step 5: Solve for x
    x = 11,506,548,589.19/112,565.24
  6. Step 6: Final answer
    x = 102,221.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.