Home / 144,050.16-198,799.20-80,400.36

Finding the Fourth Proportional to 144,050.16, 198,799.20 and 80,400.36

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Solution

The fourth proportional to 144,050.16, 198,799.20 and 80,400.36 is: 110,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.16 : 198,799.20 = 80,400.36 : x
  2. Step 2: Convert to fraction form
    144,050.16/198,799.20 = 80,400.36/x
  3. Step 3: Cross multiply
    144,050.16x = 198,799.20 × 80,400.36
  4. Step 4: Simplify right side
    144,050.16x = 15,983,527,247.71
  5. Step 5: Solve for x
    x = 15,983,527,247.71/144,050.16
  6. Step 6: Final answer
    x = 110,958.07

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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.