Home / 192,440.40-288,952.20-148,117.20

Finding the Fourth Proportional to 192,440.40, 288,952.20 and 148,117.20

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Solution

The fourth proportional to 192,440.40, 288,952.20 and 148,117.20 is: 222,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,440.40 : 288,952.20 = 148,117.20 : x
  2. Step 2: Convert to fraction form
    192,440.40/288,952.20 = 148,117.20/x
  3. Step 3: Cross multiply
    192,440.40x = 288,952.20 × 148,117.20
  4. Step 4: Simplify right side
    192,440.40x = 42,798,790,797.84
  5. Step 5: Solve for x
    x = 42,798,790,797.84/192,440.40
  6. Step 6: Final answer
    x = 222,400.24

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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.