Home / 195,215.60-292,878.48-54,975.44

Finding the Fourth Proportional to 195,215.60, 292,878.48 and 54,975.44

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Solution

The fourth proportional to 195,215.60, 292,878.48 and 54,975.44 is: 82,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,215.60 : 292,878.48 = 54,975.44 : x
  2. Step 2: Convert to fraction form
    195,215.60/292,878.48 = 54,975.44/x
  3. Step 3: Cross multiply
    195,215.60x = 292,878.48 × 54,975.44
  4. Step 4: Simplify right side
    195,215.60x = 16,101,123,304.53
  5. Step 5: Solve for x
    x = 16,101,123,304.53/195,215.60
  6. Step 6: Final answer
    x = 82,478.67

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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.