Home / 156,963.30-235,484.64-68,232.66

Finding the Fourth Proportional to 156,963.30, 235,484.64 and 68,232.66

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Solution

The fourth proportional to 156,963.30, 235,484.64 and 68,232.66 is: 102,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963.30 : 235,484.64 = 68,232.66 : x
  2. Step 2: Convert to fraction form
    156,963.30/235,484.64 = 68,232.66/x
  3. Step 3: Cross multiply
    156,963.30x = 235,484.64 × 68,232.66
  4. Step 4: Simplify right side
    156,963.30x = 16,067,743,376.34
  5. Step 5: Solve for x
    x = 16,067,743,376.34/156,963.30
  6. Step 6: Final answer
    x = 102,366.24

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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.