Home / 156,970.15-235,455.23-50,353.90

Finding the Fourth Proportional to 156,970.15, 235,455.23 and 50,353.90

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Solution

The fourth proportional to 156,970.15, 235,455.23 and 50,353.90 is: 75,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.15 : 235,455.23 = 50,353.90 : x
  2. Step 2: Convert to fraction form
    156,970.15/235,455.23 = 50,353.90/x
  3. Step 3: Cross multiply
    156,970.15x = 235,455.23 × 50,353.90
  4. Step 4: Simplify right side
    156,970.15x = 11,856,089,105.90
  5. Step 5: Solve for x
    x = 11,856,089,105.90/156,970.15
  6. Step 6: Final answer
    x = 75,530.85

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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.