Home / 129,258.60-193,808.52-50,280.78

Finding the Fourth Proportional to 129,258.60, 193,808.52 and 50,280.78

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Solution

The fourth proportional to 129,258.60, 193,808.52 and 50,280.78 is: 75,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,258.60 : 193,808.52 = 50,280.78 : x
  2. Step 2: Convert to fraction form
    129,258.60/193,808.52 = 50,280.78/x
  3. Step 3: Cross multiply
    129,258.60x = 193,808.52 × 50,280.78
  4. Step 4: Simplify right side
    129,258.60x = 9,744,843,556.25
  5. Step 5: Solve for x
    x = 9,744,843,556.25/129,258.60
  6. Step 6: Final answer
    x = 75,390.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.