Home / 156,983.95-235,530.60-68,301.10

Finding the Fourth Proportional to 156,983.95, 235,530.60 and 68,301.10

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Solution

The fourth proportional to 156,983.95, 235,530.60 and 68,301.10 is: 102,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.95 : 235,530.60 = 68,301.10 : x
  2. Step 2: Convert to fraction form
    156,983.95/235,530.60 = 68,301.10/x
  3. Step 3: Cross multiply
    156,983.95x = 235,530.60 × 68,301.10
  4. Step 4: Simplify right side
    156,983.95x = 16,086,999,063.66
  5. Step 5: Solve for x
    x = 16,086,999,063.66/156,983.95
  6. Step 6: Final answer
    x = 102,475.44

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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.