Home / 188,541.34-260,183.55-103,656.58

Finding the Fourth Proportional to 188,541.34, 260,183.55 and 103,656.58

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Solution

The fourth proportional to 188,541.34, 260,183.55 and 103,656.58 is: 143,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.34 : 260,183.55 = 103,656.58 : x
  2. Step 2: Convert to fraction form
    188,541.34/260,183.55 = 103,656.58/x
  3. Step 3: Cross multiply
    188,541.34x = 260,183.55 × 103,656.58
  4. Step 4: Simplify right side
    188,541.34x = 26,969,736,965.26
  5. Step 5: Solve for x
    x = 26,969,736,965.26/188,541.34
  6. Step 6: Final answer
    x = 143,044.16

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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.