Home / 178,749.90-268,276.05-73,644.30

Finding the Fourth Proportional to 178,749.90, 268,276.05 and 73,644.30

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Solution

The fourth proportional to 178,749.90, 268,276.05 and 73,644.30 is: 110,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,749.90 : 268,276.05 = 73,644.30 : x
  2. Step 2: Convert to fraction form
    178,749.90/268,276.05 = 73,644.30/x
  3. Step 3: Cross multiply
    178,749.90x = 268,276.05 × 73,644.30
  4. Step 4: Simplify right side
    178,749.90x = 19,757,001,909.02
  5. Step 5: Solve for x
    x = 19,757,001,909.02/178,749.90
  6. Step 6: Final answer
    x = 110,528.74

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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.