Home / 188,747.70-260,460.99-103,864.76

Finding the Fourth Proportional to 188,747.70, 260,460.99 and 103,864.76

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Solution

The fourth proportional to 188,747.70, 260,460.99 and 103,864.76 is: 143,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,747.70 : 260,460.99 = 103,864.76 : x
  2. Step 2: Convert to fraction form
    188,747.70/260,460.99 = 103,864.76/x
  3. Step 3: Cross multiply
    188,747.70x = 260,460.99 × 103,864.76
  4. Step 4: Simplify right side
    188,747.70x = 27,052,718,215.71
  5. Step 5: Solve for x
    x = 27,052,718,215.71/188,747.70
  6. Step 6: Final answer
    x = 143,327.41

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1.5x scale

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.