Home / 185,429.70-278,144.55-92,117.70

Finding the Fourth Proportional to 185,429.70, 278,144.55 and 92,117.70

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Solution

The fourth proportional to 185,429.70, 278,144.55 and 92,117.70 is: 138,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.70 : 278,144.55 = 92,117.70 : x
  2. Step 2: Convert to fraction form
    185,429.70/278,144.55 = 92,117.70/x
  3. Step 3: Cross multiply
    185,429.70x = 278,144.55 × 92,117.70
  4. Step 4: Simplify right side
    185,429.70x = 25,622,036,213.54
  5. Step 5: Solve for x
    x = 25,622,036,213.54/185,429.70
  6. Step 6: Final answer
    x = 138,176.55

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1.5x scale

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.