Home / 359,972.72-496,767.12-198,827.36

Finding the Fourth Proportional to 359,972.72, 496,767.12 and 198,827.36

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Solution

The fourth proportional to 359,972.72, 496,767.12 and 198,827.36 is: 274,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,972.72 : 496,767.12 = 198,827.36 : x
  2. Step 2: Convert to fraction form
    359,972.72/496,767.12 = 198,827.36/x
  3. Step 3: Cross multiply
    359,972.72x = 496,767.12 × 198,827.36
  4. Step 4: Simplify right side
    359,972.72x = 98,770,895,004.40
  5. Step 5: Solve for x
    x = 98,770,895,004.40/359,972.72
  6. Step 6: Final answer
    x = 274,384.39

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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.