Home / 388,942.23-583,957.80-199,536.20

Finding the Fourth Proportional to 388,942.23, 583,957.80 and 199,536.20

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Solution

The fourth proportional to 388,942.23, 583,957.80 and 199,536.20 is: 299,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,942.23 : 583,957.80 = 199,536.20 : x
  2. Step 2: Convert to fraction form
    388,942.23/583,957.80 = 199,536.20/x
  3. Step 3: Cross multiply
    388,942.23x = 583,957.80 × 199,536.20
  4. Step 4: Simplify right side
    388,942.23x = 116,520,717,452.57
  5. Step 5: Solve for x
    x = 116,520,717,452.57/388,942.23
  6. Step 6: Final answer
    x = 299,583.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.