Home / 188,582.90-260,237.66-103,699.22

Finding the Fourth Proportional to 188,582.90, 260,237.66 and 103,699.22

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Solution

The fourth proportional to 188,582.90, 260,237.66 and 103,699.22 is: 143,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,582.90 : 260,237.66 = 103,699.22 : x
  2. Step 2: Convert to fraction form
    188,582.90/260,237.66 = 103,699.22/x
  3. Step 3: Cross multiply
    188,582.90x = 260,237.66 × 103,699.22
  4. Step 4: Simplify right side
    188,582.90x = 26,986,442,356.63
  5. Step 5: Solve for x
    x = 26,986,442,356.63/188,582.90
  6. Step 6: Final answer
    x = 143,101.22

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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.