Home / 165,272.72-228,071.62-93,675.88

Finding the Fourth Proportional to 165,272.72, 228,071.62 and 93,675.88

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Solution

The fourth proportional to 165,272.72, 228,071.62 and 93,675.88 is: 129,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,272.72 : 228,071.62 = 93,675.88 : x
  2. Step 2: Convert to fraction form
    165,272.72/228,071.62 = 93,675.88/x
  3. Step 3: Cross multiply
    165,272.72x = 228,071.62 × 93,675.88
  4. Step 4: Simplify right side
    165,272.72x = 21,364,809,706.53
  5. Step 5: Solve for x
    x = 21,364,809,706.53/165,272.72
  6. Step 6: Final answer
    x = 129,270.03

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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.