Home / 107,900.28-161,051.43-101,251.80

Finding the Fourth Proportional to 107,900.28, 161,051.43 and 101,251.80

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Solution

The fourth proportional to 107,900.28, 161,051.43 and 101,251.80 is: 151,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,900.28 : 161,051.43 = 101,251.80 : x
  2. Step 2: Convert to fraction form
    107,900.28/161,051.43 = 101,251.80/x
  3. Step 3: Cross multiply
    107,900.28x = 161,051.43 × 101,251.80
  4. Step 4: Simplify right side
    107,900.28x = 16,306,747,180.07
  5. Step 5: Solve for x
    x = 16,306,747,180.07/107,900.28
  6. Step 6: Final answer
    x = 151,127.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.