Home / 107,431.20-161,146.80-96,544.80

Finding the Fourth Proportional to 107,431.20, 161,146.80 and 96,544.80

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Solution

The fourth proportional to 107,431.20, 161,146.80 and 96,544.80 is: 144,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,431.20 : 161,146.80 = 96,544.80 : x
  2. Step 2: Convert to fraction form
    107,431.20/161,146.80 = 96,544.80/x
  3. Step 3: Cross multiply
    107,431.20x = 161,146.80 × 96,544.80
  4. Step 4: Simplify right side
    107,431.20x = 15,557,885,576.64
  5. Step 5: Solve for x
    x = 15,557,885,576.64/107,431.20
  6. Step 6: Final answer
    x = 144,817.20

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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.