Home / 165,357.17-228,192.59-89,905.49

Finding the Fourth Proportional to 165,357.17, 228,192.59 and 89,905.49

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Solution

The fourth proportional to 165,357.17, 228,192.59 and 89,905.49 is: 124,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,357.17 : 228,192.59 = 89,905.49 : x
  2. Step 2: Convert to fraction form
    165,357.17/228,192.59 = 89,905.49/x
  3. Step 3: Cross multiply
    165,357.17x = 228,192.59 × 89,905.49
  4. Step 4: Simplify right side
    165,357.17x = 20,515,766,618.32
  5. Step 5: Solve for x
    x = 20,515,766,618.32/165,357.17
  6. Step 6: Final answer
    x = 124,069.41

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1.5x scale

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.