Home / 190,960.82-286,169.66-140,645.24

Finding the Fourth Proportional to 190,960.82, 286,169.66 and 140,645.24

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Solution

The fourth proportional to 190,960.82, 286,169.66 and 140,645.24 is: 210,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,960.82 : 286,169.66 = 140,645.24 : x
  2. Step 2: Convert to fraction form
    190,960.82/286,169.66 = 140,645.24/x
  3. Step 3: Cross multiply
    190,960.82x = 286,169.66 × 140,645.24
  4. Step 4: Simplify right side
    190,960.82x = 40,248,400,511.42
  5. Step 5: Solve for x
    x = 40,248,400,511.42/190,960.82
  6. Step 6: Final answer
    x = 210,767.85

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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.