Home / 107,545.96-161,178.78-54,911.08

Finding the Fourth Proportional to 107,545.96, 161,178.78 and 54,911.08

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Solution

The fourth proportional to 107,545.96, 161,178.78 and 54,911.08 is: 82,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,545.96 : 161,178.78 = 54,911.08 : x
  2. Step 2: Convert to fraction form
    107,545.96/161,178.78 = 54,911.08/x
  3. Step 3: Cross multiply
    107,545.96x = 161,178.78 × 54,911.08
  4. Step 4: Simplify right side
    107,545.96x = 8,850,500,882.88
  5. Step 5: Solve for x
    x = 8,850,500,882.88/107,545.96
  6. Step 6: Final answer
    x = 82,295.06

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1.5x scale

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.