Home / 179,179.22-247,184.25-107,434.55

Finding the Fourth Proportional to 179,179.22, 247,184.25 and 107,434.55

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Solution

The fourth proportional to 179,179.22, 247,184.25 and 107,434.55 is: 148,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,179.22 : 247,184.25 = 107,434.55 : x
  2. Step 2: Convert to fraction form
    179,179.22/247,184.25 = 107,434.55/x
  3. Step 3: Cross multiply
    179,179.22x = 247,184.25 × 107,434.55
  4. Step 4: Simplify right side
    179,179.22x = 26,556,128,665.84
  5. Step 5: Solve for x
    x = 26,556,128,665.84/179,179.22
  6. Step 6: Final answer
    x = 148,209.87

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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.