Home / 144,756.96-199,764.66-88,168.38

Finding the Fourth Proportional to 144,756.96, 199,764.66 and 88,168.38

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Solution

The fourth proportional to 144,756.96, 199,764.66 and 88,168.38 is: 121,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,756.96 : 199,764.66 = 88,168.38 : x
  2. Step 2: Convert to fraction form
    144,756.96/199,764.66 = 88,168.38/x
  3. Step 3: Cross multiply
    144,756.96x = 199,764.66 × 88,168.38
  4. Step 4: Simplify right side
    144,756.96x = 17,612,926,453.45
  5. Step 5: Solve for x
    x = 17,612,926,453.45/144,756.96
  6. Step 6: Final answer
    x = 121,672.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.