Home / 195,998.40-270,470.14-111,113.64

Finding the Fourth Proportional to 195,998.40, 270,470.14 and 111,113.64

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Solution

The fourth proportional to 195,998.40, 270,470.14 and 111,113.64 is: 153,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,998.40 : 270,470.14 = 111,113.64 : x
  2. Step 2: Convert to fraction form
    195,998.40/270,470.14 = 111,113.64/x
  3. Step 3: Cross multiply
    195,998.40x = 270,470.14 × 111,113.64
  4. Step 4: Simplify right side
    195,998.40x = 30,052,921,488.93
  5. Step 5: Solve for x
    x = 30,052,921,488.93/195,998.40
  6. Step 6: Final answer
    x = 153,332.48

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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.