Home / 188,464.02-260,081.19-103,586.55

Finding the Fourth Proportional to 188,464.02, 260,081.19 and 103,586.55

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Solution

The fourth proportional to 188,464.02, 260,081.19 and 103,586.55 is: 142,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,464.02 : 260,081.19 = 103,586.55 : x
  2. Step 2: Convert to fraction form
    188,464.02/260,081.19 = 103,586.55/x
  3. Step 3: Cross multiply
    188,464.02x = 260,081.19 × 103,586.55
  4. Step 4: Simplify right side
    188,464.02x = 26,940,913,191.99
  5. Step 5: Solve for x
    x = 26,940,913,191.99/188,464.02
  6. Step 6: Final answer
    x = 142,949.90

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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.