Home / 189,443.73-261,431.04-104,560.79

Finding the Fourth Proportional to 189,443.73, 261,431.04 and 104,560.79

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Solution

The fourth proportional to 189,443.73, 261,431.04 and 104,560.79 is: 144,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,443.73 : 261,431.04 = 104,560.79 : x
  2. Step 2: Convert to fraction form
    189,443.73/261,431.04 = 104,560.79/x
  3. Step 3: Cross multiply
    189,443.73x = 261,431.04 × 104,560.79
  4. Step 4: Simplify right side
    189,443.73x = 27,335,434,765.77
  5. Step 5: Solve for x
    x = 27,335,434,765.77/189,443.73
  6. Step 6: Final answer
    x = 144,293.16

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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.