Home / 220,863.44-304,713.92-144,427.28

Finding the Fourth Proportional to 220,863.44, 304,713.92 and 144,427.28

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Solution

The fourth proportional to 220,863.44, 304,713.92 and 144,427.28 is: 199,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,863.44 : 304,713.92 = 144,427.28 : x
  2. Step 2: Convert to fraction form
    220,863.44/304,713.92 = 144,427.28/x
  3. Step 3: Cross multiply
    220,863.44x = 304,713.92 × 144,427.28
  4. Step 4: Simplify right side
    220,863.44x = 44,009,002,643.74
  5. Step 5: Solve for x
    x = 44,009,002,643.74/220,863.44
  6. Step 6: Final answer
    x = 199,258.88

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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.