Home / 245,320.80-367,981.20-192,176.70

Finding the Fourth Proportional to 245,320.80, 367,981.20 and 192,176.70

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Solution

The fourth proportional to 245,320.80, 367,981.20 and 192,176.70 is: 288,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,320.80 : 367,981.20 = 192,176.70 : x
  2. Step 2: Convert to fraction form
    245,320.80/367,981.20 = 192,176.70/x
  3. Step 3: Cross multiply
    245,320.80x = 367,981.20 × 192,176.70
  4. Step 4: Simplify right side
    245,320.80x = 70,717,412,678.04
  5. Step 5: Solve for x
    x = 70,717,412,678.04/245,320.80
  6. Step 6: Final answer
    x = 288,265.05

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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.