Home / 107,736.60-161,864.10-96,331.80

Finding the Fourth Proportional to 107,736.60, 161,864.10 and 96,331.80

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Solution

The fourth proportional to 107,736.60, 161,864.10 and 96,331.80 is: 144,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,736.60 : 161,864.10 = 96,331.80 : x
  2. Step 2: Convert to fraction form
    107,736.60/161,864.10 = 96,331.80/x
  3. Step 3: Cross multiply
    107,736.60x = 161,864.10 × 96,331.80
  4. Step 4: Simplify right side
    107,736.60x = 15,592,660,108.38
  5. Step 5: Solve for x
    x = 15,592,660,108.38/107,736.60
  6. Step 6: Final answer
    x = 144,729.46

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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.