Home / 188,045.29-282,109.46-69,716.64

Finding the Fourth Proportional to 188,045.29, 282,109.46 and 69,716.64

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Solution

The fourth proportional to 188,045.29, 282,109.46 and 69,716.64 is: 104,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.29 : 282,109.46 = 69,716.64 : x
  2. Step 2: Convert to fraction form
    188,045.29/282,109.46 = 69,716.64/x
  3. Step 3: Cross multiply
    188,045.29x = 282,109.46 × 69,716.64
  4. Step 4: Simplify right side
    188,045.29x = 19,667,723,663.41
  5. Step 5: Solve for x
    x = 19,667,723,663.41/188,045.29
  6. Step 6: Final answer
    x = 104,590.36

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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.