Home / 359,572.23-496,209.20-198,427.28

Finding the Fourth Proportional to 359,572.23, 496,209.20 and 198,427.28

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Solution

The fourth proportional to 359,572.23, 496,209.20 and 198,427.28 is: 273,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,572.23 : 496,209.20 = 198,427.28 : x
  2. Step 2: Convert to fraction form
    359,572.23/496,209.20 = 198,427.28/x
  3. Step 3: Cross multiply
    359,572.23x = 496,209.20 × 198,427.28
  4. Step 4: Simplify right side
    359,572.23x = 98,461,438,393.79
  5. Step 5: Solve for x
    x = 98,461,438,393.79/359,572.23
  6. Step 6: Final answer
    x = 273,829.37

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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.