Home / 189,522.34-261,540.66-104,639.92

Finding the Fourth Proportional to 189,522.34, 261,540.66 and 104,639.92

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Solution

The fourth proportional to 189,522.34, 261,540.66 and 104,639.92 is: 144,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,522.34 : 261,540.66 = 104,639.92 : x
  2. Step 2: Convert to fraction form
    189,522.34/261,540.66 = 104,639.92/x
  3. Step 3: Cross multiply
    189,522.34x = 261,540.66 × 104,639.92
  4. Step 4: Simplify right side
    189,522.34x = 27,367,593,739.15
  5. Step 5: Solve for x
    x = 27,367,593,739.15/189,522.34
  6. Step 6: Final answer
    x = 144,403.00

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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.