Home / 317,767.33-476,667.39-81,112.06

Finding the Fourth Proportional to 317,767.33, 476,667.39 and 81,112.06

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Solution

The fourth proportional to 317,767.33, 476,667.39 and 81,112.06 is: 121,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,767.33 : 476,667.39 = 81,112.06 : x
  2. Step 2: Convert to fraction form
    317,767.33/476,667.39 = 81,112.06/x
  3. Step 3: Cross multiply
    317,767.33x = 476,667.39 × 81,112.06
  4. Step 4: Simplify right side
    317,767.33x = 38,663,474,837.73
  5. Step 5: Solve for x
    x = 38,663,474,837.73/317,767.33
  6. Step 6: Final answer
    x = 121,672.28

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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.