Home / 126,313.46-174,313.78-69,723.62

Finding the Fourth Proportional to 126,313.46, 174,313.78 and 69,723.62

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Solution

The fourth proportional to 126,313.46, 174,313.78 and 69,723.62 is: 96,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.46 : 174,313.78 = 69,723.62 : x
  2. Step 2: Convert to fraction form
    126,313.46/174,313.78 = 69,723.62/x
  3. Step 3: Cross multiply
    126,313.46x = 174,313.78 × 69,723.62
  4. Step 4: Simplify right side
    126,313.46x = 12,153,786,711.61
  5. Step 5: Solve for x
    x = 12,153,786,711.61/126,313.46
  6. Step 6: Final answer
    x = 96,219.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.