Home / 114,959.20-171,423.56-100,976.44

Finding the Fourth Proportional to 114,959.20, 171,423.56 and 100,976.44

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Solution

The fourth proportional to 114,959.20, 171,423.56 and 100,976.44 is: 150,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,959.20 : 171,423.56 = 100,976.44 : x
  2. Step 2: Convert to fraction form
    114,959.20/171,423.56 = 100,976.44/x
  3. Step 3: Cross multiply
    114,959.20x = 171,423.56 × 100,976.44
  4. Step 4: Simplify right side
    114,959.20x = 17,309,740,820.93
  5. Step 5: Solve for x
    x = 17,309,740,820.93/114,959.20
  6. Step 6: Final answer
    x = 150,572.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.