Home / 188,566.69-260,215.44-103,683.14

Finding the Fourth Proportional to 188,566.69, 260,215.44 and 103,683.14

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Solution

The fourth proportional to 188,566.69, 260,215.44 and 103,683.14 is: 143,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,566.69 : 260,215.44 = 103,683.14 : x
  2. Step 2: Convert to fraction form
    188,566.69/260,215.44 = 103,683.14/x
  3. Step 3: Cross multiply
    188,566.69x = 260,215.44 × 103,683.14
  4. Step 4: Simplify right side
    188,566.69x = 26,979,953,895.68
  5. Step 5: Solve for x
    x = 26,979,953,895.68/188,566.69
  6. Step 6: Final answer
    x = 143,079.11

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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.