Home / 281,832.08-388,943.17-154,513.04

Finding the Fourth Proportional to 281,832.08, 388,943.17 and 154,513.04

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Solution

The fourth proportional to 281,832.08, 388,943.17 and 154,513.04 is: 213,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,832.08 : 388,943.17 = 154,513.04 : x
  2. Step 2: Convert to fraction form
    281,832.08/388,943.17 = 154,513.04/x
  3. Step 3: Cross multiply
    281,832.08x = 388,943.17 × 154,513.04
  4. Step 4: Simplify right side
    281,832.08x = 60,096,789,252.94
  5. Step 5: Solve for x
    x = 60,096,789,252.94/281,832.08
  6. Step 6: Final answer
    x = 213,236.16

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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.