Home / 192,913.30-288,981.15-109,710.10

Finding the Fourth Proportional to 192,913.30, 288,981.15 and 109,710.10

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Solution

The fourth proportional to 192,913.30, 288,981.15 and 109,710.10 is: 164,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,913.30 : 288,981.15 = 109,710.10 : x
  2. Step 2: Convert to fraction form
    192,913.30/288,981.15 = 109,710.10/x
  3. Step 3: Cross multiply
    192,913.30x = 288,981.15 × 109,710.10
  4. Step 4: Simplify right side
    192,913.30x = 31,704,150,864.62
  5. Step 5: Solve for x
    x = 31,704,150,864.62/192,913.30
  6. Step 6: Final answer
    x = 164,344.04

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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.