Home / 144,059.07-198,793.49-80,400.98

Finding the Fourth Proportional to 144,059.07, 198,793.49 and 80,400.98

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Solution

The fourth proportional to 144,059.07, 198,793.49 and 80,400.98 is: 110,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,059.07 : 198,793.49 = 80,400.98 : x
  2. Step 2: Convert to fraction form
    144,059.07/198,793.49 = 80,400.98/x
  3. Step 3: Cross multiply
    144,059.07x = 198,793.49 × 80,400.98
  4. Step 4: Simplify right side
    144,059.07x = 15,983,190,017.65
  5. Step 5: Solve for x
    x = 15,983,190,017.65/144,059.07
  6. Step 6: Final answer
    x = 110,948.86

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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.