Home / 185,229.05-255,616.04-100,346.10

Finding the Fourth Proportional to 185,229.05, 255,616.04 and 100,346.10

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Solution

The fourth proportional to 185,229.05, 255,616.04 and 100,346.10 is: 138,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,229.05 : 255,616.04 = 100,346.10 : x
  2. Step 2: Convert to fraction form
    185,229.05/255,616.04 = 100,346.10/x
  3. Step 3: Cross multiply
    185,229.05x = 255,616.04 × 100,346.10
  4. Step 4: Simplify right side
    185,229.05x = 25,650,072,209.71
  5. Step 5: Solve for x
    x = 25,650,072,209.71/185,229.05
  6. Step 6: Final answer
    x = 138,477.59

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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.