Home / 126,662.33-174,765.20-75,666.96

Finding the Fourth Proportional to 126,662.33, 174,765.20 and 75,666.96

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Solution

The fourth proportional to 126,662.33, 174,765.20 and 75,666.96 is: 104,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,662.33 : 174,765.20 = 75,666.96 : x
  2. Step 2: Convert to fraction form
    126,662.33/174,765.20 = 75,666.96/x
  3. Step 3: Cross multiply
    126,662.33x = 174,765.20 × 75,666.96
  4. Step 4: Simplify right side
    126,662.33x = 13,223,951,019.46
  5. Step 5: Solve for x
    x = 13,223,951,019.46/126,662.33
  6. Step 6: Final answer
    x = 104,403.19

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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.