Home / 198,240.31-297,391.56-65,090.26

Finding the Fourth Proportional to 198,240.31, 297,391.56 and 65,090.26

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Solution

The fourth proportional to 198,240.31, 297,391.56 and 65,090.26 is: 97,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,240.31 : 297,391.56 = 65,090.26 : x
  2. Step 2: Convert to fraction form
    198,240.31/297,391.56 = 65,090.26/x
  3. Step 3: Cross multiply
    198,240.31x = 297,391.56 × 65,090.26
  4. Step 4: Simplify right side
    198,240.31x = 19,357,293,962.21
  5. Step 5: Solve for x
    x = 19,357,293,962.21/198,240.31
  6. Step 6: Final answer
    x = 97,645.60

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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.