Home / 174,258.72-261,415.44-74,419.47

Finding the Fourth Proportional to 174,258.72, 261,415.44 and 74,419.47

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Solution

The fourth proportional to 174,258.72, 261,415.44 and 74,419.47 is: 111,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,258.72 : 261,415.44 = 74,419.47 : x
  2. Step 2: Convert to fraction form
    174,258.72/261,415.44 = 74,419.47/x
  3. Step 3: Cross multiply
    174,258.72x = 261,415.44 × 74,419.47
  4. Step 4: Simplify right side
    174,258.72x = 19,454,398,494.62
  5. Step 5: Solve for x
    x = 19,454,398,494.62/174,258.72
  6. Step 6: Final answer
    x = 111,640.89

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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.