Home / 188,895.21-260,616.83-107,210.13

Finding the Fourth Proportional to 188,895.21, 260,616.83 and 107,210.13

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Solution

The fourth proportional to 188,895.21, 260,616.83 and 107,210.13 is: 147,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,895.21 : 260,616.83 = 107,210.13 : x
  2. Step 2: Convert to fraction form
    188,895.21/260,616.83 = 107,210.13/x
  3. Step 3: Cross multiply
    188,895.21x = 260,616.83 × 107,210.13
  4. Step 4: Simplify right side
    188,895.21x = 27,940,764,224.49
  5. Step 5: Solve for x
    x = 27,940,764,224.49/188,895.21
  6. Step 6: Final answer
    x = 147,916.74

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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.