Home / 126,301.25-189,304.25-70,114.49

Finding the Fourth Proportional to 126,301.25, 189,304.25 and 70,114.49

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Solution

The fourth proportional to 126,301.25, 189,304.25 and 70,114.49 is: 105,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.25 : 189,304.25 = 70,114.49 : x
  2. Step 2: Convert to fraction form
    126,301.25/189,304.25 = 70,114.49/x
  3. Step 3: Cross multiply
    126,301.25x = 189,304.25 × 70,114.49
  4. Step 4: Simplify right side
    126,301.25x = 13,272,970,943.58
  5. Step 5: Solve for x
    x = 13,272,970,943.58/126,301.25
  6. Step 6: Final answer
    x = 105,089.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.