Home / 188,826.84-260,581.05-103,943.25

Finding the Fourth Proportional to 188,826.84, 260,581.05 and 103,943.25

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Solution

The fourth proportional to 188,826.84, 260,581.05 and 103,943.25 is: 143,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,826.84 : 260,581.05 = 103,943.25 : x
  2. Step 2: Convert to fraction form
    188,826.84/260,581.05 = 103,943.25/x
  3. Step 3: Cross multiply
    188,826.84x = 260,581.05 × 103,943.25
  4. Step 4: Simplify right side
    188,826.84x = 27,085,641,225.41
  5. Step 5: Solve for x
    x = 27,085,641,225.41/188,826.84
  6. Step 6: Final answer
    x = 143,441.69

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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.