Home / 189,441.73-261,428.28-104,558.79

Finding the Fourth Proportional to 189,441.73, 261,428.28 and 104,558.79

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Solution

The fourth proportional to 189,441.73, 261,428.28 and 104,558.79 is: 144,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,441.73 : 261,428.28 = 104,558.79 : x
  2. Step 2: Convert to fraction form
    189,441.73/261,428.28 = 104,558.79/x
  3. Step 3: Cross multiply
    189,441.73x = 261,428.28 × 104,558.79
  4. Step 4: Simplify right side
    189,441.73x = 27,334,624,628.58
  5. Step 5: Solve for x
    x = 27,334,624,628.58/189,441.73
  6. Step 6: Final answer
    x = 144,290.41

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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.