Home / 188,610.16-260,276.84-103,727.24

Finding the Fourth Proportional to 188,610.16, 260,276.84 and 103,727.24

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Solution

The fourth proportional to 188,610.16, 260,276.84 and 103,727.24 is: 143,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,610.16 : 260,276.84 = 103,727.24 : x
  2. Step 2: Convert to fraction form
    188,610.16/260,276.84 = 103,727.24/x
  3. Step 3: Cross multiply
    188,610.16x = 260,276.84 × 103,727.24
  4. Step 4: Simplify right side
    188,610.16x = 26,997,798,249.12
  5. Step 5: Solve for x
    x = 26,997,798,249.12/188,610.16
  6. Step 6: Final answer
    x = 143,140.74

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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.