Home / 107,254.40-161,011.20-106,476.80

Finding the Fourth Proportional to 107,254.40, 161,011.20 and 106,476.80

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Solution

The fourth proportional to 107,254.40, 161,011.20 and 106,476.80 is: 159,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,254.40 : 161,011.20 = 106,476.80 : x
  2. Step 2: Convert to fraction form
    107,254.40/161,011.20 = 106,476.80/x
  3. Step 3: Cross multiply
    107,254.40x = 161,011.20 × 106,476.80
  4. Step 4: Simplify right side
    107,254.40x = 17,143,957,340.16
  5. Step 5: Solve for x
    x = 17,143,957,340.16/107,254.40
  6. Step 6: Final answer
    x = 159,843.86

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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.