Home / 156,927.90-235,246.05-109,542.90

Finding the Fourth Proportional to 156,927.90, 235,246.05 and 109,542.90

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Solution

The fourth proportional to 156,927.90, 235,246.05 and 109,542.90 is: 164,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.90 : 235,246.05 = 109,542.90 : x
  2. Step 2: Convert to fraction form
    156,927.90/235,246.05 = 109,542.90/x
  3. Step 3: Cross multiply
    156,927.90x = 235,246.05 × 109,542.90
  4. Step 4: Simplify right side
    156,927.90x = 25,769,534,530.55
  5. Step 5: Solve for x
    x = 25,769,534,530.55/156,927.90
  6. Step 6: Final answer
    x = 164,212.57

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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.