Home / 148,607.89-222,531.23-81,973.96

Finding the Fourth Proportional to 148,607.89, 222,531.23 and 81,973.96

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Solution

The fourth proportional to 148,607.89, 222,531.23 and 81,973.96 is: 122,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,607.89 : 222,531.23 = 81,973.96 : x
  2. Step 2: Convert to fraction form
    148,607.89/222,531.23 = 81,973.96/x
  3. Step 3: Cross multiply
    148,607.89x = 222,531.23 × 81,973.96
  4. Step 4: Simplify right side
    148,607.89x = 18,241,765,795.38
  5. Step 5: Solve for x
    x = 18,241,765,795.38/148,607.89
  6. Step 6: Final answer
    x = 122,750.99

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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.