Home / 188,909.07-283,418.75-70,553.19

Finding the Fourth Proportional to 188,909.07, 283,418.75 and 70,553.19

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Solution

The fourth proportional to 188,909.07, 283,418.75 and 70,553.19 is: 105,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,909.07 : 283,418.75 = 70,553.19 : x
  2. Step 2: Convert to fraction form
    188,909.07/283,418.75 = 70,553.19/x
  3. Step 3: Cross multiply
    188,909.07x = 283,418.75 × 70,553.19
  4. Step 4: Simplify right side
    188,909.07x = 19,996,096,565.55
  5. Step 5: Solve for x
    x = 19,996,096,565.55/188,909.07
  6. Step 6: Final answer
    x = 105,850.38

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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.