Home / 234,909.21-324,174.91-127,479.24

Finding the Fourth Proportional to 234,909.21, 324,174.91 and 127,479.24

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Solution

The fourth proportional to 234,909.21, 324,174.91 and 127,479.24 is: 175,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,909.21 : 324,174.91 = 127,479.24 : x
  2. Step 2: Convert to fraction form
    234,909.21/324,174.91 = 127,479.24/x
  3. Step 3: Cross multiply
    234,909.21x = 324,174.91 × 127,479.24
  4. Step 4: Simplify right side
    234,909.21x = 41,325,571,153.87
  5. Step 5: Solve for x
    x = 41,325,571,153.87/234,909.21
  6. Step 6: Final answer
    x = 175,921.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.