Home / 165,947.70-229,028.40-101,403.66

Finding the Fourth Proportional to 165,947.70, 229,028.40 and 101,403.66

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Solution

The fourth proportional to 165,947.70, 229,028.40 and 101,403.66 is: 139,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,947.70 : 229,028.40 = 101,403.66 : x
  2. Step 2: Convert to fraction form
    165,947.70/229,028.40 = 101,403.66/x
  3. Step 3: Cross multiply
    165,947.70x = 229,028.40 × 101,403.66
  4. Step 4: Simplify right side
    165,947.70x = 23,224,318,003.94
  5. Step 5: Solve for x
    x = 23,224,318,003.94/165,947.70
  6. Step 6: Final answer
    x = 139,949.62

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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.