Home / 195,048.10-292,628.20-81,173.76

Finding the Fourth Proportional to 195,048.10, 292,628.20 and 81,173.76

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Solution

The fourth proportional to 195,048.10, 292,628.20 and 81,173.76 is: 121,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,048.10 : 292,628.20 = 81,173.76 : x
  2. Step 2: Convert to fraction form
    195,048.10/292,628.20 = 81,173.76/x
  3. Step 3: Cross multiply
    195,048.10x = 292,628.20 × 81,173.76
  4. Step 4: Simplify right side
    195,048.10x = 23,753,731,276.03
  5. Step 5: Solve for x
    x = 23,753,731,276.03/195,048.10
  6. Step 6: Final answer
    x = 121,783.97

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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.