Home / 206,205.12-284,583.04-115,576.48

Finding the Fourth Proportional to 206,205.12, 284,583.04 and 115,576.48

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Solution

The fourth proportional to 206,205.12, 284,583.04 and 115,576.48 is: 159,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,205.12 : 284,583.04 = 115,576.48 : x
  2. Step 2: Convert to fraction form
    206,205.12/284,583.04 = 115,576.48/x
  3. Step 3: Cross multiply
    206,205.12x = 284,583.04 × 115,576.48
  4. Step 4: Simplify right side
    206,205.12x = 32,891,106,030.90
  5. Step 5: Solve for x
    x = 32,891,106,030.90/206,205.12
  6. Step 6: Final answer
    x = 159,506.74

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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.