Home / 349,261.32-523,453.56-149,346.54

Finding the Fourth Proportional to 349,261.32, 523,453.56 and 149,346.54

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Solution

The fourth proportional to 349,261.32, 523,453.56 and 149,346.54 is: 223,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,261.32 : 523,453.56 = 149,346.54 : x
  2. Step 2: Convert to fraction form
    349,261.32/523,453.56 = 149,346.54/x
  3. Step 3: Cross multiply
    349,261.32x = 523,453.56 × 149,346.54
  4. Step 4: Simplify right side
    349,261.32x = 78,175,978,036.68
  5. Step 5: Solve for x
    x = 78,175,978,036.68/349,261.32
  6. Step 6: Final answer
    x = 223,832.34

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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.