Home / 133,330.30-184,007.19-75,987.16

Finding the Fourth Proportional to 133,330.30, 184,007.19 and 75,987.16

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Solution

The fourth proportional to 133,330.30, 184,007.19 and 75,987.16 is: 104,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,330.30 : 184,007.19 = 75,987.16 : x
  2. Step 2: Convert to fraction form
    133,330.30/184,007.19 = 75,987.16/x
  3. Step 3: Cross multiply
    133,330.30x = 184,007.19 × 75,987.16
  4. Step 4: Simplify right side
    133,330.30x = 13,982,183,787.68
  5. Step 5: Solve for x
    x = 13,982,183,787.68/133,330.30
  6. Step 6: Final answer
    x = 104,868.76

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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.