Home / 194,988.12-292,295.33-82,513.61

Finding the Fourth Proportional to 194,988.12, 292,295.33 and 82,513.61

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Solution

The fourth proportional to 194,988.12, 292,295.33 and 82,513.61 is: 123,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,988.12 : 292,295.33 = 82,513.61 : x
  2. Step 2: Convert to fraction form
    194,988.12/292,295.33 = 82,513.61/x
  3. Step 3: Cross multiply
    194,988.12x = 292,295.33 × 82,513.61
  4. Step 4: Simplify right side
    194,988.12x = 24,118,342,451.87
  5. Step 5: Solve for x
    x = 24,118,342,451.87/194,988.12
  6. Step 6: Final answer
    x = 123,691.35

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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.