Home / 238,861.37-329,591.07-136,867.21

Finding the Fourth Proportional to 238,861.37, 329,591.07 and 136,867.21

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Solution

The fourth proportional to 238,861.37, 329,591.07 and 136,867.21 is: 188,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,861.37 : 329,591.07 = 136,867.21 : x
  2. Step 2: Convert to fraction form
    238,861.37/329,591.07 = 136,867.21/x
  3. Step 3: Cross multiply
    238,861.37x = 329,591.07 × 136,867.21
  4. Step 4: Simplify right side
    238,861.37x = 45,110,209,367.84
  5. Step 5: Solve for x
    x = 45,110,209,367.84/238,861.37
  6. Step 6: Final answer
    x = 188,855.19

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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.