Home / 185,700.87-278,518.37-84,475.35

Finding the Fourth Proportional to 185,700.87, 278,518.37 and 84,475.35

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Solution

The fourth proportional to 185,700.87, 278,518.37 and 84,475.35 is: 126,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,700.87 : 278,518.37 = 84,475.35 : x
  2. Step 2: Convert to fraction form
    185,700.87/278,518.37 = 84,475.35/x
  3. Step 3: Cross multiply
    185,700.87x = 278,518.37 × 84,475.35
  4. Step 4: Simplify right side
    185,700.87x = 23,527,936,364.80
  5. Step 5: Solve for x
    x = 23,527,936,364.80/185,700.87
  6. Step 6: Final answer
    x = 126,698.04

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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.