Home / 107,922.30-161,818.65-55,434.30

Finding the Fourth Proportional to 107,922.30, 161,818.65 and 55,434.30

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Solution

The fourth proportional to 107,922.30, 161,818.65 and 55,434.30 is: 83,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922.30 : 161,818.65 = 55,434.30 : x
  2. Step 2: Convert to fraction form
    107,922.30/161,818.65 = 55,434.30/x
  3. Step 3: Cross multiply
    107,922.30x = 161,818.65 × 55,434.30
  4. Step 4: Simplify right side
    107,922.30x = 8,970,303,589.70
  5. Step 5: Solve for x
    x = 8,970,303,589.70/107,922.30
  6. Step 6: Final answer
    x = 83,118.17

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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.