Home / 195,539.20-293,114.40-90,174.40

Finding the Fourth Proportional to 195,539.20, 293,114.40 and 90,174.40

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Solution

The fourth proportional to 195,539.20, 293,114.40 and 90,174.40 is: 135,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,539.20 : 293,114.40 = 90,174.40 : x
  2. Step 2: Convert to fraction form
    195,539.20/293,114.40 = 90,174.40/x
  3. Step 3: Cross multiply
    195,539.20x = 293,114.40 × 90,174.40
  4. Step 4: Simplify right side
    195,539.20x = 26,431,415,151.36
  5. Step 5: Solve for x
    x = 26,431,415,151.36/195,539.20
  6. Step 6: Final answer
    x = 135,171.95

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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.