Home / 126,074.92-188,956.86-69,867.40

Finding the Fourth Proportional to 126,074.92, 188,956.86 and 69,867.40

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Solution

The fourth proportional to 126,074.92, 188,956.86 and 69,867.40 is: 104,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,074.92 : 188,956.86 = 69,867.40 : x
  2. Step 2: Convert to fraction form
    126,074.92/188,956.86 = 69,867.40/x
  3. Step 3: Cross multiply
    126,074.92x = 188,956.86 × 69,867.40
  4. Step 4: Simplify right side
    126,074.92x = 13,201,924,520.36
  5. Step 5: Solve for x
    x = 13,201,924,520.36/126,074.92
  6. Step 6: Final answer
    x = 104,714.91

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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.