Home / 223,258.20-308,090.94-127,758.78

Finding the Fourth Proportional to 223,258.20, 308,090.94 and 127,758.78

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Solution

The fourth proportional to 223,258.20, 308,090.94 and 127,758.78 is: 176,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,258.20 : 308,090.94 = 127,758.78 : x
  2. Step 2: Convert to fraction form
    223,258.20/308,090.94 = 127,758.78/x
  3. Step 3: Cross multiply
    223,258.20x = 308,090.94 × 127,758.78
  4. Step 4: Simplify right side
    223,258.20x = 39,361,322,623.45
  5. Step 5: Solve for x
    x = 39,361,322,623.45/223,258.20
  6. Step 6: Final answer
    x = 176,304.04

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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.