Home / 188,730.38-260,449.74-103,849.26

Finding the Fourth Proportional to 188,730.38, 260,449.74 and 103,849.26

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Solution

The fourth proportional to 188,730.38, 260,449.74 and 103,849.26 is: 143,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,730.38 : 260,449.74 = 103,849.26 : x
  2. Step 2: Convert to fraction form
    188,730.38/260,449.74 = 103,849.26/x
  3. Step 3: Cross multiply
    188,730.38x = 260,449.74 × 103,849.26
  4. Step 4: Simplify right side
    188,730.38x = 27,047,512,766.19
  5. Step 5: Solve for x
    x = 27,047,512,766.19/188,730.38
  6. Step 6: Final answer
    x = 143,312.98

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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.