Home / 111,725.28-154,000.98-91,546.56

Finding the Fourth Proportional to 111,725.28, 154,000.98 and 91,546.56

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Solution

The fourth proportional to 111,725.28, 154,000.98 and 91,546.56 is: 126,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,725.28 : 154,000.98 = 91,546.56 : x
  2. Step 2: Convert to fraction form
    111,725.28/154,000.98 = 91,546.56/x
  3. Step 3: Cross multiply
    111,725.28x = 154,000.98 × 91,546.56
  4. Step 4: Simplify right side
    111,725.28x = 14,098,259,955.63
  5. Step 5: Solve for x
    x = 14,098,259,955.63/111,725.28
  6. Step 6: Final answer
    x = 126,186.84

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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.