Home / 156,961.43-235,436.87-68,214.95

Finding the Fourth Proportional to 156,961.43, 235,436.87 and 68,214.95

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Solution

The fourth proportional to 156,961.43, 235,436.87 and 68,214.95 is: 102,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.43 : 235,436.87 = 68,214.95 : x
  2. Step 2: Convert to fraction form
    156,961.43/235,436.87 = 68,214.95/x
  3. Step 3: Cross multiply
    156,961.43x = 235,436.87 × 68,214.95
  4. Step 4: Simplify right side
    156,961.43x = 16,060,312,796.95
  5. Step 5: Solve for x
    x = 16,060,312,796.95/156,961.43
  6. Step 6: Final answer
    x = 102,320.13

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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.