Home / 168,947.70-253,421.55-163,042.80

Finding the Fourth Proportional to 168,947.70, 253,421.55 and 163,042.80

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Solution

The fourth proportional to 168,947.70, 253,421.55 and 163,042.80 is: 244,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,947.70 : 253,421.55 = 163,042.80 : x
  2. Step 2: Convert to fraction form
    168,947.70/253,421.55 = 163,042.80/x
  3. Step 3: Cross multiply
    168,947.70x = 253,421.55 × 163,042.80
  4. Step 4: Simplify right side
    168,947.70x = 41,318,559,092.34
  5. Step 5: Solve for x
    x = 41,318,559,092.34/168,947.70
  6. Step 6: Final answer
    x = 244,564.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.