Home / 156,861.62-235,188.41-57,009.95

Finding the Fourth Proportional to 156,861.62, 235,188.41 and 57,009.95

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Solution

The fourth proportional to 156,861.62, 235,188.41 and 57,009.95 is: 85,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,861.62 : 235,188.41 = 57,009.95 : x
  2. Step 2: Convert to fraction form
    156,861.62/235,188.41 = 57,009.95/x
  3. Step 3: Cross multiply
    156,861.62x = 235,188.41 × 57,009.95
  4. Step 4: Simplify right side
    156,861.62x = 13,408,079,494.68
  5. Step 5: Solve for x
    x = 13,408,079,494.68/156,861.62
  6. Step 6: Final answer
    x = 85,477.12

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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.