Home / 195,410.52-292,917.96-77,165.28

Finding the Fourth Proportional to 195,410.52, 292,917.96 and 77,165.28

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Solution

The fourth proportional to 195,410.52, 292,917.96 and 77,165.28 is: 115,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,410.52 : 292,917.96 = 77,165.28 : x
  2. Step 2: Convert to fraction form
    195,410.52/292,917.96 = 77,165.28/x
  3. Step 3: Cross multiply
    195,410.52x = 292,917.96 × 77,165.28
  4. Step 4: Simplify right side
    195,410.52x = 22,603,096,400.43
  5. Step 5: Solve for x
    x = 22,603,096,400.43/195,410.52
  6. Step 6: Final answer
    x = 115,669.80

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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.