Home / 359,531.43-496,152.79-198,386.35

Finding the Fourth Proportional to 359,531.43, 496,152.79 and 198,386.35

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Solution

The fourth proportional to 359,531.43, 496,152.79 and 198,386.35 is: 273,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,531.43 : 496,152.79 = 198,386.35 : x
  2. Step 2: Convert to fraction form
    359,531.43/496,152.79 = 198,386.35/x
  3. Step 3: Cross multiply
    359,531.43x = 496,152.79 × 198,386.35
  4. Step 4: Simplify right side
    359,531.43x = 98,429,941,050.42
  5. Step 5: Solve for x
    x = 98,429,941,050.42/359,531.43
  6. Step 6: Final answer
    x = 273,772.84

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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.