Home / 156,967.95-235,506.60-68,285.10

Finding the Fourth Proportional to 156,967.95, 235,506.60 and 68,285.10

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Solution

The fourth proportional to 156,967.95, 235,506.60 and 68,285.10 is: 102,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.95 : 235,506.60 = 68,285.10 : x
  2. Step 2: Convert to fraction form
    156,967.95/235,506.60 = 68,285.10/x
  3. Step 3: Cross multiply
    156,967.95x = 235,506.60 × 68,285.10
  4. Step 4: Simplify right side
    156,967.95x = 16,081,591,731.66
  5. Step 5: Solve for x
    x = 16,081,591,731.66/156,967.95
  6. Step 6: Final answer
    x = 102,451.44

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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.