Home / 168,771.30-253,116.45-97,539.90

Finding the Fourth Proportional to 168,771.30, 253,116.45 and 97,539.90

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Solution

The fourth proportional to 168,771.30, 253,116.45 and 97,539.90 is: 146,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,771.30 : 253,116.45 = 97,539.90 : x
  2. Step 2: Convert to fraction form
    168,771.30/253,116.45 = 97,539.90/x
  3. Step 3: Cross multiply
    168,771.30x = 253,116.45 × 97,539.90
  4. Step 4: Simplify right side
    168,771.30x = 24,688,953,221.36
  5. Step 5: Solve for x
    x = 24,688,953,221.36/168,771.30
  6. Step 6: Final answer
    x = 146,286.44

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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.