Home / 107,812.20-161,747.10-96,205.80

Finding the Fourth Proportional to 107,812.20, 161,747.10 and 96,205.80

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Solution

The fourth proportional to 107,812.20, 161,747.10 and 96,205.80 is: 144,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812.20 : 161,747.10 = 96,205.80 : x
  2. Step 2: Convert to fraction form
    107,812.20/161,747.10 = 96,205.80/x
  3. Step 3: Cross multiply
    107,812.20x = 161,747.10 × 96,205.80
  4. Step 4: Simplify right side
    107,812.20x = 15,561,009,153.18
  5. Step 5: Solve for x
    x = 15,561,009,153.18/107,812.20
  6. Step 6: Final answer
    x = 144,334.40

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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.