Home / 127,477.20-191,288.70-88,062.60

Finding the Fourth Proportional to 127,477.20, 191,288.70 and 88,062.60

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Solution

The fourth proportional to 127,477.20, 191,288.70 and 88,062.60 is: 132,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,477.20 : 191,288.70 = 88,062.60 : x
  2. Step 2: Convert to fraction form
    127,477.20/191,288.70 = 88,062.60/x
  3. Step 3: Cross multiply
    127,477.20x = 191,288.70 × 88,062.60
  4. Step 4: Simplify right side
    127,477.20x = 16,845,380,272.62
  5. Step 5: Solve for x
    x = 16,845,380,272.62/127,477.20
  6. Step 6: Final answer
    x = 132,144.26

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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.