Home / 115,286.26-172,869.56-44,187.90

Finding the Fourth Proportional to 115,286.26, 172,869.56 and 44,187.90

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Solution

The fourth proportional to 115,286.26, 172,869.56 and 44,187.90 is: 66,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,286.26 : 172,869.56 = 44,187.90 : x
  2. Step 2: Convert to fraction form
    115,286.26/172,869.56 = 44,187.90/x
  3. Step 3: Cross multiply
    115,286.26x = 172,869.56 × 44,187.90
  4. Step 4: Simplify right side
    115,286.26x = 7,638,742,830.32
  5. Step 5: Solve for x
    x = 7,638,742,830.32/115,286.26
  6. Step 6: Final answer
    x = 66,258.92

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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.