Home / 156,855.56-235,151.02-68,042.16

Finding the Fourth Proportional to 156,855.56, 235,151.02 and 68,042.16

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Solution

The fourth proportional to 156,855.56, 235,151.02 and 68,042.16 is: 102,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,855.56 : 235,151.02 = 68,042.16 : x
  2. Step 2: Convert to fraction form
    156,855.56/235,151.02 = 68,042.16/x
  3. Step 3: Cross multiply
    156,855.56x = 235,151.02 × 68,042.16
  4. Step 4: Simplify right side
    156,855.56x = 16,000,183,327.00
  5. Step 5: Solve for x
    x = 16,000,183,327.00/156,855.56
  6. Step 6: Final answer
    x = 102,005.84

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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.