Home / 126,470.16-189,732.60-67,297.14

Finding the Fourth Proportional to 126,470.16, 189,732.60 and 67,297.14

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Solution

The fourth proportional to 126,470.16, 189,732.60 and 67,297.14 is: 100,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,470.16 : 189,732.60 = 67,297.14 : x
  2. Step 2: Convert to fraction form
    126,470.16/189,732.60 = 67,297.14/x
  3. Step 3: Cross multiply
    126,470.16x = 189,732.60 × 67,297.14
  4. Step 4: Simplify right side
    126,470.16x = 12,768,461,344.76
  5. Step 5: Solve for x
    x = 12,768,461,344.76/126,470.16
  6. Step 6: Final answer
    x = 100,960.27

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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.