Home / 194,725.20-292,164.60-76,376.40

Finding the Fourth Proportional to 194,725.20, 292,164.60 and 76,376.40

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Solution

The fourth proportional to 194,725.20, 292,164.60 and 76,376.40 is: 114,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,725.20 : 292,164.60 = 76,376.40 : x
  2. Step 2: Convert to fraction form
    194,725.20/292,164.60 = 76,376.40/x
  3. Step 3: Cross multiply
    194,725.20x = 292,164.60 × 76,376.40
  4. Step 4: Simplify right side
    194,725.20x = 22,314,480,355.44
  5. Step 5: Solve for x
    x = 22,314,480,355.44/194,725.20
  6. Step 6: Final answer
    x = 114,594.72

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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.