Home / 185,838.20-278,767.86-52,707.92

Finding the Fourth Proportional to 185,838.20, 278,767.86 and 52,707.92

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Solution

The fourth proportional to 185,838.20, 278,767.86 and 52,707.92 is: 79,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,838.20 : 278,767.86 = 52,707.92 : x
  2. Step 2: Convert to fraction form
    185,838.20/278,767.86 = 52,707.92/x
  3. Step 3: Cross multiply
    185,838.20x = 278,767.86 × 52,707.92
  4. Step 4: Simplify right side
    185,838.20x = 14,693,274,063.45
  5. Step 5: Solve for x
    x = 14,693,274,063.45/185,838.20
  6. Step 6: Final answer
    x = 79,064.88

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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.