Home / 107,320.40-161,134.20-60,664.40

Finding the Fourth Proportional to 107,320.40, 161,134.20 and 60,664.40

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Solution

The fourth proportional to 107,320.40, 161,134.20 and 60,664.40 is: 91,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,320.40 : 161,134.20 = 60,664.40 : x
  2. Step 2: Convert to fraction form
    107,320.40/161,134.20 = 60,664.40/x
  3. Step 3: Cross multiply
    107,320.40x = 161,134.20 × 60,664.40
  4. Step 4: Simplify right side
    107,320.40x = 9,775,109,562.48
  5. Step 5: Solve for x
    x = 9,775,109,562.48/107,320.40
  6. Step 6: Final answer
    x = 91,083.42

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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.