Home / 156,959.40-235,433.89-68,213.00

Finding the Fourth Proportional to 156,959.40, 235,433.89 and 68,213.00

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Solution

The fourth proportional to 156,959.40, 235,433.89 and 68,213.00 is: 102,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959.40 : 235,433.89 = 68,213.00 : x
  2. Step 2: Convert to fraction form
    156,959.40/235,433.89 = 68,213.00/x
  3. Step 3: Cross multiply
    156,959.40x = 235,433.89 × 68,213.00
  4. Step 4: Simplify right side
    156,959.40x = 16,059,652,612.42
  5. Step 5: Solve for x
    x = 16,059,652,612.42/156,959.40
  6. Step 6: Final answer
    x = 102,317.24

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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.