Home / 133,694.15-184,581.81-86,030.33

Finding the Fourth Proportional to 133,694.15, 184,581.81 and 86,030.33

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Solution

The fourth proportional to 133,694.15, 184,581.81 and 86,030.33 is: 118,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,694.15 : 184,581.81 = 86,030.33 : x
  2. Step 2: Convert to fraction form
    133,694.15/184,581.81 = 86,030.33/x
  3. Step 3: Cross multiply
    133,694.15x = 184,581.81 × 86,030.33
  4. Step 4: Simplify right side
    133,694.15x = 15,879,633,103.39
  5. Step 5: Solve for x
    x = 15,879,633,103.39/133,694.15
  6. Step 6: Final answer
    x = 118,775.83

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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.