Home / 119,778.44-165,301.80-68,807.12

Finding the Fourth Proportional to 119,778.44, 165,301.80 and 68,807.12

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Solution

The fourth proportional to 119,778.44, 165,301.80 and 68,807.12 is: 94,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,778.44 : 165,301.80 = 68,807.12 : x
  2. Step 2: Convert to fraction form
    119,778.44/165,301.80 = 68,807.12/x
  3. Step 3: Cross multiply
    119,778.44x = 165,301.80 × 68,807.12
  4. Step 4: Simplify right side
    119,778.44x = 11,373,940,788.82
  5. Step 5: Solve for x
    x = 11,373,940,788.82/119,778.44
  6. Step 6: Final answer
    x = 94,958.16

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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.