Home / 126,057.80-189,086.70-97,517.45

Finding the Fourth Proportional to 126,057.80, 189,086.70 and 97,517.45

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Solution

The fourth proportional to 126,057.80, 189,086.70 and 97,517.45 is: 146,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,057.80 : 189,086.70 = 97,517.45 : x
  2. Step 2: Convert to fraction form
    126,057.80/189,086.70 = 97,517.45/x
  3. Step 3: Cross multiply
    126,057.80x = 189,086.70 × 97,517.45
  4. Step 4: Simplify right side
    126,057.80x = 18,439,252,812.92
  5. Step 5: Solve for x
    x = 18,439,252,812.92/126,057.80
  6. Step 6: Final answer
    x = 146,276.18

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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.