Home / 164,377.26-226,838.40-91,781.28

Finding the Fourth Proportional to 164,377.26, 226,838.40 and 91,781.28

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Solution

The fourth proportional to 164,377.26, 226,838.40 and 91,781.28 is: 126,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,377.26 : 226,838.40 = 91,781.28 : x
  2. Step 2: Convert to fraction form
    164,377.26/226,838.40 = 91,781.28/x
  3. Step 3: Cross multiply
    164,377.26x = 226,838.40 × 91,781.28
  4. Step 4: Simplify right side
    164,377.26x = 20,819,518,705.15
  5. Step 5: Solve for x
    x = 20,819,518,705.15/164,377.26
  6. Step 6: Final answer
    x = 126,656.93

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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.