Home / 188,586.20-260,246.04-103,703.06

Finding the Fourth Proportional to 188,586.20, 260,246.04 and 103,703.06

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Solution

The fourth proportional to 188,586.20, 260,246.04 and 103,703.06 is: 143,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,586.20 : 260,246.04 = 103,703.06 : x
  2. Step 2: Convert to fraction form
    188,586.20/260,246.04 = 103,703.06/x
  3. Step 3: Cross multiply
    188,586.20x = 260,246.04 × 103,703.06
  4. Step 4: Simplify right side
    188,586.20x = 26,988,310,700.88
  5. Step 5: Solve for x
    x = 26,988,310,700.88/188,586.20
  6. Step 6: Final answer
    x = 143,108.62

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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.