Home / 127,945.41-176,507.61-74,199.27

Finding the Fourth Proportional to 127,945.41, 176,507.61 and 74,199.27

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Solution

The fourth proportional to 127,945.41, 176,507.61 and 74,199.27 is: 102,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.41 : 176,507.61 = 74,199.27 : x
  2. Step 2: Convert to fraction form
    127,945.41/176,507.61 = 74,199.27/x
  3. Step 3: Cross multiply
    127,945.41x = 176,507.61 × 74,199.27
  4. Step 4: Simplify right side
    127,945.41x = 13,096,736,195.10
  5. Step 5: Solve for x
    x = 13,096,736,195.10/127,945.41
  6. Step 6: Final answer
    x = 102,361.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.