Home / 133,979.56-184,853.94-86,260.52

Finding the Fourth Proportional to 133,979.56, 184,853.94 and 86,260.52

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Solution

The fourth proportional to 133,979.56, 184,853.94 and 86,260.52 is: 119,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,979.56 : 184,853.94 = 86,260.52 : x
  2. Step 2: Convert to fraction form
    133,979.56/184,853.94 = 86,260.52/x
  3. Step 3: Cross multiply
    133,979.56x = 184,853.94 × 86,260.52
  4. Step 4: Simplify right side
    133,979.56x = 15,945,596,988.45
  5. Step 5: Solve for x
    x = 15,945,596,988.45/133,979.56
  6. Step 6: Final answer
    x = 119,015.15

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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.