Home / 185,594.14-256,120.60-100,711.20

Finding the Fourth Proportional to 185,594.14, 256,120.60 and 100,711.20

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Solution

The fourth proportional to 185,594.14, 256,120.60 and 100,711.20 is: 138,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,594.14 : 256,120.60 = 100,711.20 : x
  2. Step 2: Convert to fraction form
    185,594.14/256,120.60 = 100,711.20/x
  3. Step 3: Cross multiply
    185,594.14x = 256,120.60 × 100,711.20
  4. Step 4: Simplify right side
    185,594.14x = 25,794,212,970.72
  5. Step 5: Solve for x
    x = 25,794,212,970.72/185,594.14
  6. Step 6: Final answer
    x = 138,981.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.