Home / 127,607.14-191,200.09-74,149.05

Finding the Fourth Proportional to 127,607.14, 191,200.09 and 74,149.05

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Solution

The fourth proportional to 127,607.14, 191,200.09 and 74,149.05 is: 111,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,607.14 : 191,200.09 = 74,149.05 : x
  2. Step 2: Convert to fraction form
    127,607.14/191,200.09 = 74,149.05/x
  3. Step 3: Cross multiply
    127,607.14x = 191,200.09 × 74,149.05
  4. Step 4: Simplify right side
    127,607.14x = 14,177,305,495.53
  5. Step 5: Solve for x
    x = 14,177,305,495.53/127,607.14
  6. Step 6: Final answer
    x = 111,101.19

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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.