Home / 145,204.26-217,675.17-100,851.90

Finding the Fourth Proportional to 145,204.26, 217,675.17 and 100,851.90

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Solution

The fourth proportional to 145,204.26, 217,675.17 and 100,851.90 is: 151,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,204.26 : 217,675.17 = 100,851.90 : x
  2. Step 2: Convert to fraction form
    145,204.26/217,675.17 = 100,851.90/x
  3. Step 3: Cross multiply
    145,204.26x = 217,675.17 × 100,851.90
  4. Step 4: Simplify right side
    145,204.26x = 21,952,954,477.32
  5. Step 5: Solve for x
    x = 21,952,954,477.32/145,204.26
  6. Step 6: Final answer
    x = 151,186.71

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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.