Home / 195,551.20-293,132.40-90,186.40

Finding the Fourth Proportional to 195,551.20, 293,132.40 and 90,186.40

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Solution

The fourth proportional to 195,551.20, 293,132.40 and 90,186.40 is: 135,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,551.20 : 293,132.40 = 90,186.40 : x
  2. Step 2: Convert to fraction form
    195,551.20/293,132.40 = 90,186.40/x
  3. Step 3: Cross multiply
    195,551.20x = 293,132.40 × 90,186.40
  4. Step 4: Simplify right side
    195,551.20x = 26,436,555,879.36
  5. Step 5: Solve for x
    x = 26,436,555,879.36/195,551.20
  6. Step 6: Final answer
    x = 135,189.94

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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.