Home / 159,548.03-220,137.61-90,622.16

Finding the Fourth Proportional to 159,548.03, 220,137.61 and 90,622.16

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Solution

The fourth proportional to 159,548.03, 220,137.61 and 90,622.16 is: 125,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,548.03 : 220,137.61 = 90,622.16 : x
  2. Step 2: Convert to fraction form
    159,548.03/220,137.61 = 90,622.16/x
  3. Step 3: Cross multiply
    159,548.03x = 220,137.61 × 90,622.16
  4. Step 4: Simplify right side
    159,548.03x = 19,949,345,553.54
  5. Step 5: Solve for x
    x = 19,949,345,553.54/159,548.03
  6. Step 6: Final answer
    x = 125,036.62

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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.