Home / 194,930.40-292,395.60-76,562.40

Finding the Fourth Proportional to 194,930.40, 292,395.60 and 76,562.40

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Solution

The fourth proportional to 194,930.40, 292,395.60 and 76,562.40 is: 114,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,930.40 : 292,395.60 = 76,562.40 : x
  2. Step 2: Convert to fraction form
    194,930.40/292,395.60 = 76,562.40/x
  3. Step 3: Cross multiply
    194,930.40x = 292,395.60 × 76,562.40
  4. Step 4: Simplify right side
    194,930.40x = 22,386,508,885.44
  5. Step 5: Solve for x
    x = 22,386,508,885.44/194,930.40
  6. Step 6: Final answer
    x = 114,843.60

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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.