Home / 307,531.90-461,427.45-167,391.10

Finding the Fourth Proportional to 307,531.90, 461,427.45 and 167,391.10

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Solution

The fourth proportional to 307,531.90, 461,427.45 and 167,391.10 is: 251,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,531.90 : 461,427.45 = 167,391.10 : x
  2. Step 2: Convert to fraction form
    307,531.90/461,427.45 = 167,391.10/x
  3. Step 3: Cross multiply
    307,531.90x = 461,427.45 × 167,391.10
  4. Step 4: Simplify right side
    307,531.90x = 77,238,848,425.70
  5. Step 5: Solve for x
    x = 77,238,848,425.70/307,531.90
  6. Step 6: Final answer
    x = 251,157.19

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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.