Home / 160,977.45-222,149.75-100,583.13

Finding the Fourth Proportional to 160,977.45, 222,149.75 and 100,583.13

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Solution

The fourth proportional to 160,977.45, 222,149.75 and 100,583.13 is: 138,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,977.45 : 222,149.75 = 100,583.13 : x
  2. Step 2: Convert to fraction form
    160,977.45/222,149.75 = 100,583.13/x
  3. Step 3: Cross multiply
    160,977.45x = 222,149.75 × 100,583.13
  4. Step 4: Simplify right side
    160,977.45x = 22,344,517,183.72
  5. Step 5: Solve for x
    x = 22,344,517,183.72/160,977.45
  6. Step 6: Final answer
    x = 138,805.26

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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.