Home / 129,177.36-193,686.76-50,199.40

Finding the Fourth Proportional to 129,177.36, 193,686.76 and 50,199.40

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Solution

The fourth proportional to 129,177.36, 193,686.76 and 50,199.40 is: 75,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,177.36 : 193,686.76 = 50,199.40 : x
  2. Step 2: Convert to fraction form
    129,177.36/193,686.76 = 50,199.40/x
  3. Step 3: Cross multiply
    129,177.36x = 193,686.76 × 50,199.40
  4. Step 4: Simplify right side
    129,177.36x = 9,722,959,139.94
  5. Step 5: Solve for x
    x = 9,722,959,139.94/129,177.36
  6. Step 6: Final answer
    x = 75,268.29

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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.