Home / 126,126.46-174,056.79-68,766.22

Finding the Fourth Proportional to 126,126.46, 174,056.79 and 68,766.22

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Solution

The fourth proportional to 126,126.46, 174,056.79 and 68,766.22 is: 94,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,126.46 : 174,056.79 = 68,766.22 : x
  2. Step 2: Convert to fraction form
    126,126.46/174,056.79 = 68,766.22/x
  3. Step 3: Cross multiply
    126,126.46x = 174,056.79 × 68,766.22
  4. Step 4: Simplify right side
    126,126.46x = 11,969,227,513.63
  5. Step 5: Solve for x
    x = 11,969,227,513.63/126,126.46
  6. Step 6: Final answer
    x = 94,898.62

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1.5x scale

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.