Home / 220,436.57-304,183.01-122,322.28

Finding the Fourth Proportional to 220,436.57, 304,183.01 and 122,322.28

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Solution

The fourth proportional to 220,436.57, 304,183.01 and 122,322.28 is: 168,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,436.57 : 304,183.01 = 122,322.28 : x
  2. Step 2: Convert to fraction form
    220,436.57/304,183.01 = 122,322.28/x
  3. Step 3: Cross multiply
    220,436.57x = 304,183.01 × 122,322.28
  4. Step 4: Simplify right side
    220,436.57x = 37,208,357,187.94
  5. Step 5: Solve for x
    x = 37,208,357,187.94/220,436.57
  6. Step 6: Final answer
    x = 168,793.94

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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.