Home / 185,594.09-256,120.04-100,711.15

Finding the Fourth Proportional to 185,594.09, 256,120.04 and 100,711.15

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Solution

The fourth proportional to 185,594.09, 256,120.04 and 100,711.15 is: 138,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,594.09 : 256,120.04 = 100,711.15 : x
  2. Step 2: Convert to fraction form
    185,594.09/256,120.04 = 100,711.15/x
  3. Step 3: Cross multiply
    185,594.09x = 256,120.04 × 100,711.15
  4. Step 4: Simplify right side
    185,594.09x = 25,794,143,377.92
  5. Step 5: Solve for x
    x = 25,794,143,377.92/185,594.09
  6. Step 6: Final answer
    x = 138,981.49

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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.