Home / 359,981.97-496,732.55-198,827.42

Finding the Fourth Proportional to 359,981.97, 496,732.55 and 198,827.42

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Solution

The fourth proportional to 359,981.97, 496,732.55 and 198,827.42 is: 274,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,981.97 : 496,732.55 = 198,827.42 : x
  2. Step 2: Convert to fraction form
    359,981.97/496,732.55 = 198,827.42/x
  3. Step 3: Cross multiply
    359,981.97x = 496,732.55 × 198,827.42
  4. Step 4: Simplify right side
    359,981.97x = 98,764,047,868.72
  5. Step 5: Solve for x
    x = 98,764,047,868.72/359,981.97
  6. Step 6: Final answer
    x = 274,358.32

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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.