Home / 229,271.20-343,912.56-89,061.28

Finding the Fourth Proportional to 229,271.20, 343,912.56 and 89,061.28

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Solution

The fourth proportional to 229,271.20, 343,912.56 and 89,061.28 is: 133,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,271.20 : 343,912.56 = 89,061.28 : x
  2. Step 2: Convert to fraction form
    229,271.20/343,912.56 = 89,061.28/x
  3. Step 3: Cross multiply
    229,271.20x = 343,912.56 × 89,061.28
  4. Step 4: Simplify right side
    229,271.20x = 30,629,292,801.68
  5. Step 5: Solve for x
    x = 30,629,292,801.68/229,271.20
  6. Step 6: Final answer
    x = 133,594.16

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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.