Home / 185,694.20-256,256.62-100,809.08

Finding the Fourth Proportional to 185,694.20, 256,256.62 and 100,809.08

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Solution

The fourth proportional to 185,694.20, 256,256.62 and 100,809.08 is: 139,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,694.20 : 256,256.62 = 100,809.08 : x
  2. Step 2: Convert to fraction form
    185,694.20/256,256.62 = 100,809.08/x
  3. Step 3: Cross multiply
    185,694.20x = 256,256.62 × 100,809.08
  4. Step 4: Simplify right side
    185,694.20x = 25,832,994,106.11
  5. Step 5: Solve for x
    x = 25,832,994,106.11/185,694.20
  6. Step 6: Final answer
    x = 139,115.78

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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.