Home / 126,933.76-190,351.43-67,737.14

Finding the Fourth Proportional to 126,933.76, 190,351.43 and 67,737.14

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Solution

The fourth proportional to 126,933.76, 190,351.43 and 67,737.14 is: 101,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,933.76 : 190,351.43 = 67,737.14 : x
  2. Step 2: Convert to fraction form
    126,933.76/190,351.43 = 67,737.14/x
  3. Step 3: Cross multiply
    126,933.76x = 190,351.43 × 67,737.14
  4. Step 4: Simplify right side
    126,933.76x = 12,893,861,463.11
  5. Step 5: Solve for x
    x = 12,893,861,463.11/126,933.76
  6. Step 6: Final answer
    x = 101,579.45

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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.