Home / 148,403.72-222,606-43,225.28

Finding the Fourth Proportional to 148,403.72, 222,606 and 43,225.28

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Solution

The fourth proportional to 148,403.72, 222,606 and 43,225.28 is: 64,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,403.72 : 222,606 = 43,225.28 : x
  2. Step 2: Convert to fraction form
    148,403.72/222,606 = 43,225.28/x
  3. Step 3: Cross multiply
    148,403.72x = 222,606 × 43,225.28
  4. Step 4: Simplify right side
    148,403.72x = 9,622,206,679.68
  5. Step 5: Solve for x
    x = 9,622,206,679.68/148,403.72
  6. Step 6: Final answer
    x = 64,838.04

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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.