Home / 373,868.16-515,930.88-204,103.36

Finding the Fourth Proportional to 373,868.16, 515,930.88 and 204,103.36

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Solution

The fourth proportional to 373,868.16, 515,930.88 and 204,103.36 is: 281,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,868.16 : 515,930.88 = 204,103.36 : x
  2. Step 2: Convert to fraction form
    373,868.16/515,930.88 = 204,103.36/x
  3. Step 3: Cross multiply
    373,868.16x = 515,930.88 × 204,103.36
  4. Step 4: Simplify right side
    373,868.16x = 105,303,226,135.76
  5. Step 5: Solve for x
    x = 105,303,226,135.76/373,868.16
  6. Step 6: Final answer
    x = 281,658.72

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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.