Home / 220,436.70-304,183.17-122,322.40

Finding the Fourth Proportional to 220,436.70, 304,183.17 and 122,322.40

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Solution

The fourth proportional to 220,436.70, 304,183.17 and 122,322.40 is: 168,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,436.70 : 304,183.17 = 122,322.40 : x
  2. Step 2: Convert to fraction form
    220,436.70/304,183.17 = 122,322.40/x
  3. Step 3: Cross multiply
    220,436.70x = 304,183.17 × 122,322.40
  4. Step 4: Simplify right side
    220,436.70x = 37,208,415,394.01
  5. Step 5: Solve for x
    x = 37,208,415,394.01/220,436.70
  6. Step 6: Final answer
    x = 168,794.10

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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.