Home / 329,680.13-454,958.58-178,777.25

Finding the Fourth Proportional to 329,680.13, 454,958.58 and 178,777.25

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Solution

The fourth proportional to 329,680.13, 454,958.58 and 178,777.25 is: 246,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,680.13 : 454,958.58 = 178,777.25 : x
  2. Step 2: Convert to fraction form
    329,680.13/454,958.58 = 178,777.25/x
  3. Step 3: Cross multiply
    329,680.13x = 454,958.58 × 178,777.25
  4. Step 4: Simplify right side
    329,680.13x = 81,336,241,521.51
  5. Step 5: Solve for x
    x = 81,336,241,521.51/329,680.13
  6. Step 6: Final answer
    x = 246,712.60

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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.