Home / 188,606.17-260,271.33-103,723.23

Finding the Fourth Proportional to 188,606.17, 260,271.33 and 103,723.23

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Solution

The fourth proportional to 188,606.17, 260,271.33 and 103,723.23 is: 143,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,606.17 : 260,271.33 = 103,723.23 : x
  2. Step 2: Convert to fraction form
    188,606.17/260,271.33 = 103,723.23/x
  3. Step 3: Cross multiply
    188,606.17x = 260,271.33 × 103,723.23
  4. Step 4: Simplify right side
    188,606.17x = 26,996,183,611.05
  5. Step 5: Solve for x
    x = 26,996,183,611.05/188,606.17
  6. Step 6: Final answer
    x = 143,135.21

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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.