Home / 188,371.44-282,667.32-70,126.56

Finding the Fourth Proportional to 188,371.44, 282,667.32 and 70,126.56

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Solution

The fourth proportional to 188,371.44, 282,667.32 and 70,126.56 is: 105,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,371.44 : 282,667.32 = 70,126.56 : x
  2. Step 2: Convert to fraction form
    188,371.44/282,667.32 = 70,126.56/x
  3. Step 3: Cross multiply
    188,371.44x = 282,667.32 × 70,126.56
  4. Step 4: Simplify right side
    188,371.44x = 19,822,486,776.02
  5. Step 5: Solve for x
    x = 19,822,486,776.02/188,371.44
  6. Step 6: Final answer
    x = 105,230.85

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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.