Home / 521,111.57-781,730.40-184,083.26

Finding the Fourth Proportional to 521,111.57, 781,730.40 and 184,083.26

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Solution

The fourth proportional to 521,111.57, 781,730.40 and 184,083.26 is: 276,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,111.57 : 781,730.40 = 184,083.26 : x
  2. Step 2: Convert to fraction form
    521,111.57/781,730.40 = 184,083.26/x
  3. Step 3: Cross multiply
    521,111.57x = 781,730.40 × 184,083.26
  4. Step 4: Simplify right side
    521,111.57x = 143,903,475,644.04
  5. Step 5: Solve for x
    x = 143,903,475,644.04/521,111.57
  6. Step 6: Final answer
    x = 276,147.15

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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.