Home / 165,281.02-228,087.82-89,829.52

Finding the Fourth Proportional to 165,281.02, 228,087.82 and 89,829.52

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Solution

The fourth proportional to 165,281.02, 228,087.82 and 89,829.52 is: 123,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,281.02 : 228,087.82 = 89,829.52 : x
  2. Step 2: Convert to fraction form
    165,281.02/228,087.82 = 89,829.52/x
  3. Step 3: Cross multiply
    165,281.02x = 228,087.82 × 89,829.52
  4. Step 4: Simplify right side
    165,281.02x = 20,489,019,388.45
  5. Step 5: Solve for x
    x = 20,489,019,388.45/165,281.02
  6. Step 6: Final answer
    x = 123,964.74

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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.