Home / 435,451.14-653,253.26-198,817.74

Finding the Fourth Proportional to 435,451.14, 653,253.26 and 198,817.74

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Solution

The fourth proportional to 435,451.14, 653,253.26 and 198,817.74 is: 298,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,451.14 : 653,253.26 = 198,817.74 : x
  2. Step 2: Convert to fraction form
    435,451.14/653,253.26 = 198,817.74/x
  3. Step 3: Cross multiply
    435,451.14x = 653,253.26 × 198,817.74
  4. Step 4: Simplify right side
    435,451.14x = 129,878,335,806.74
  5. Step 5: Solve for x
    x = 129,878,335,806.74/435,451.14
  6. Step 6: Final answer
    x = 298,261.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.