Home / 100,536.33-150,804.39-25,656.47

Finding the Fourth Proportional to 100,536.33, 150,804.39 and 25,656.47

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Solution

The fourth proportional to 100,536.33, 150,804.39 and 25,656.47 is: 38,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,536.33 : 150,804.39 = 25,656.47 : x
  2. Step 2: Convert to fraction form
    100,536.33/150,804.39 = 25,656.47/x
  3. Step 3: Cross multiply
    100,536.33x = 150,804.39 × 25,656.47
  4. Step 4: Simplify right side
    100,536.33x = 3,869,108,307.90
  5. Step 5: Solve for x
    x = 3,869,108,307.90/100,536.33
  6. Step 6: Final answer
    x = 38,484.68

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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.