Home / 156,823.56-235,234.98-68,065.56

Finding the Fourth Proportional to 156,823.56, 235,234.98 and 68,065.56

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Solution

The fourth proportional to 156,823.56, 235,234.98 and 68,065.56 is: 102,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,823.56 : 235,234.98 = 68,065.56 : x
  2. Step 2: Convert to fraction form
    156,823.56/235,234.98 = 68,065.56/x
  3. Step 3: Cross multiply
    156,823.56x = 235,234.98 × 68,065.56
  4. Step 4: Simplify right side
    156,823.56x = 16,011,400,645.29
  5. Step 5: Solve for x
    x = 16,011,400,645.29/156,823.56
  6. Step 6: Final answer
    x = 102,098.18

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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.