Home / 185,594.22-256,120.71-100,711.26

Finding the Fourth Proportional to 185,594.22, 256,120.71 and 100,711.26

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Solution

The fourth proportional to 185,594.22, 256,120.71 and 100,711.26 is: 138,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,594.22 : 256,120.71 = 100,711.26 : x
  2. Step 2: Convert to fraction form
    185,594.22/256,120.71 = 100,711.26/x
  3. Step 3: Cross multiply
    185,594.22x = 256,120.71 × 100,711.26
  4. Step 4: Simplify right side
    185,594.22x = 25,794,239,416.19
  5. Step 5: Solve for x
    x = 25,794,239,416.19/185,594.22
  6. Step 6: Final answer
    x = 138,981.91

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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.