Home / 194,999.40-292,353.30-82,587.60

Finding the Fourth Proportional to 194,999.40, 292,353.30 and 82,587.60

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Solution

The fourth proportional to 194,999.40, 292,353.30 and 82,587.60 is: 123,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,999.40 : 292,353.30 = 82,587.60 : x
  2. Step 2: Convert to fraction form
    194,999.40/292,353.30 = 82,587.60/x
  3. Step 3: Cross multiply
    194,999.40x = 292,353.30 × 82,587.60
  4. Step 4: Simplify right side
    194,999.40x = 24,144,757,399.08
  5. Step 5: Solve for x
    x = 24,144,757,399.08/194,999.40
  6. Step 6: Final answer
    x = 123,819.65

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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.