Home / 156,911.44-235,342.35-68,141.11

Finding the Fourth Proportional to 156,911.44, 235,342.35 and 68,141.11

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Solution

The fourth proportional to 156,911.44, 235,342.35 and 68,141.11 is: 102,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.44 : 235,342.35 = 68,141.11 : x
  2. Step 2: Convert to fraction form
    156,911.44/235,342.35 = 68,141.11/x
  3. Step 3: Cross multiply
    156,911.44x = 235,342.35 × 68,141.11
  4. Step 4: Simplify right side
    156,911.44x = 16,036,488,959.01
  5. Step 5: Solve for x
    x = 16,036,488,959.01/156,911.44
  6. Step 6: Final answer
    x = 102,200.89

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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.