Home / 435,918.48-653,795.72-136,354.16

Finding the Fourth Proportional to 435,918.48, 653,795.72 and 136,354.16

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Solution

The fourth proportional to 435,918.48, 653,795.72 and 136,354.16 is: 204,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,918.48 : 653,795.72 = 136,354.16 : x
  2. Step 2: Convert to fraction form
    435,918.48/653,795.72 = 136,354.16/x
  3. Step 3: Cross multiply
    435,918.48x = 653,795.72 × 136,354.16
  4. Step 4: Simplify right side
    435,918.48x = 89,147,766,212.20
  5. Step 5: Solve for x
    x = 89,147,766,212.20/435,918.48
  6. Step 6: Final answer
    x = 204,505.59

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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.