Home / 189,383.03-261,348.28-104,500.02

Finding the Fourth Proportional to 189,383.03, 261,348.28 and 104,500.02

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Solution

The fourth proportional to 189,383.03, 261,348.28 and 104,500.02 is: 144,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,383.03 : 261,348.28 = 104,500.02 : x
  2. Step 2: Convert to fraction form
    189,383.03/261,348.28 = 104,500.02/x
  3. Step 3: Cross multiply
    189,383.03x = 261,348.28 × 104,500.02
  4. Step 4: Simplify right side
    189,383.03x = 27,310,900,486.97
  5. Step 5: Solve for x
    x = 27,310,900,486.97/189,383.03
  6. Step 6: Final answer
    x = 144,209.86

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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.