Home / 190,958.82-286,166.67-140,643.24

Finding the Fourth Proportional to 190,958.82, 286,166.67 and 140,643.24

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Solution

The fourth proportional to 190,958.82, 286,166.67 and 140,643.24 is: 210,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,958.82 : 286,166.67 = 140,643.24 : x
  2. Step 2: Convert to fraction form
    190,958.82/286,166.67 = 140,643.24/x
  3. Step 3: Cross multiply
    190,958.82x = 286,166.67 × 140,643.24
  4. Step 4: Simplify right side
    190,958.82x = 40,247,406,839.39
  5. Step 5: Solve for x
    x = 40,247,406,839.39/190,958.82
  6. Step 6: Final answer
    x = 210,764.85

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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.