Home / 148,224.64-222,168.48-69,324.16

Finding the Fourth Proportional to 148,224.64, 222,168.48 and 69,324.16

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Solution

The fourth proportional to 148,224.64, 222,168.48 and 69,324.16 is: 103,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,224.64 : 222,168.48 = 69,324.16 : x
  2. Step 2: Convert to fraction form
    148,224.64/222,168.48 = 69,324.16/x
  3. Step 3: Cross multiply
    148,224.64x = 222,168.48 × 69,324.16
  4. Step 4: Simplify right side
    148,224.64x = 15,401,643,254.48
  5. Step 5: Solve for x
    x = 15,401,643,254.48/148,224.64
  6. Step 6: Final answer
    x = 103,907.44

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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.