Home / 165,228.67-228,014.76-93,608.53

Finding the Fourth Proportional to 165,228.67, 228,014.76 and 93,608.53

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Solution

The fourth proportional to 165,228.67, 228,014.76 and 93,608.53 is: 129,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,228.67 : 228,014.76 = 93,608.53 : x
  2. Step 2: Convert to fraction form
    165,228.67/228,014.76 = 93,608.53/x
  3. Step 3: Cross multiply
    165,228.67x = 228,014.76 × 93,608.53
  4. Step 4: Simplify right side
    165,228.67x = 21,344,126,501.90
  5. Step 5: Solve for x
    x = 21,344,126,501.90/165,228.67
  6. Step 6: Final answer
    x = 129,179.32

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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.