Home / 521,085.08-781,487.00-184,081.36

Finding the Fourth Proportional to 521,085.08, 781,487.00 and 184,081.36

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Solution

The fourth proportional to 521,085.08, 781,487.00 and 184,081.36 is: 276,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,085.08 : 781,487.00 = 184,081.36 : x
  2. Step 2: Convert to fraction form
    521,085.08/781,487.00 = 184,081.36/x
  3. Step 3: Cross multiply
    521,085.08x = 781,487.00 × 184,081.36
  4. Step 4: Simplify right side
    521,085.08x = 143,857,190,099.25
  5. Step 5: Solve for x
    x = 143,857,190,099.25/521,085.08
  6. Step 6: Final answer
    x = 276,072.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.