Home / 359,799.53-496,531.09-198,664.76

Finding the Fourth Proportional to 359,799.53, 496,531.09 and 198,664.76

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Solution

The fourth proportional to 359,799.53, 496,531.09 and 198,664.76 is: 274,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,799.53 : 496,531.09 = 198,664.76 : x
  2. Step 2: Convert to fraction form
    359,799.53/496,531.09 = 198,664.76/x
  3. Step 3: Cross multiply
    359,799.53x = 496,531.09 × 198,664.76
  4. Step 4: Simplify right side
    359,799.53x = 98,643,229,827.39
  5. Step 5: Solve for x
    x = 98,643,229,827.39/359,799.53
  6. Step 6: Final answer
    x = 274,161.64

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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.