Home / 189,728.28-261,824.94-104,844.60

Finding the Fourth Proportional to 189,728.28, 261,824.94 and 104,844.60

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Solution

The fourth proportional to 189,728.28, 261,824.94 and 104,844.60 is: 144,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,728.28 : 261,824.94 = 104,844.60 : x
  2. Step 2: Convert to fraction form
    189,728.28/261,824.94 = 104,844.60/x
  3. Step 3: Cross multiply
    189,728.28x = 261,824.94 × 104,844.60
  4. Step 4: Simplify right side
    189,728.28x = 27,450,931,104.32
  5. Step 5: Solve for x
    x = 27,450,931,104.32/189,728.28
  6. Step 6: Final answer
    x = 144,685.50

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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.