Home / 127,693.20-191,657.82-64,557.72

Finding the Fourth Proportional to 127,693.20, 191,657.82 and 64,557.72

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Solution

The fourth proportional to 127,693.20, 191,657.82 and 64,557.72 is: 96,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,693.20 : 191,657.82 = 64,557.72 : x
  2. Step 2: Convert to fraction form
    127,693.20/191,657.82 = 64,557.72/x
  3. Step 3: Cross multiply
    127,693.20x = 191,657.82 × 64,557.72
  4. Step 4: Simplify right side
    127,693.20x = 12,372,991,879.37
  5. Step 5: Solve for x
    x = 12,372,991,879.37/127,693.20
  6. Step 6: Final answer
    x = 96,896.25

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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.