Home / 329,120.15-454,185.02-178,217.15

Finding the Fourth Proportional to 329,120.15, 454,185.02 and 178,217.15

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Solution

The fourth proportional to 329,120.15, 454,185.02 and 178,217.15 is: 245,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,120.15 : 454,185.02 = 178,217.15 : x
  2. Step 2: Convert to fraction form
    329,120.15/454,185.02 = 178,217.15/x
  3. Step 3: Cross multiply
    329,120.15x = 454,185.02 × 178,217.15
  4. Step 4: Simplify right side
    329,120.15x = 80,943,558,011.71
  5. Step 5: Solve for x
    x = 80,943,558,011.71/329,120.15
  6. Step 6: Final answer
    x = 245,939.24

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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.