Home / 156,793.20-235,109.16-45,970.80

Finding the Fourth Proportional to 156,793.20, 235,109.16 and 45,970.80

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Solution

The fourth proportional to 156,793.20, 235,109.16 and 45,970.80 is: 68,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,793.20 : 235,109.16 = 45,970.80 : x
  2. Step 2: Convert to fraction form
    156,793.20/235,109.16 = 45,970.80/x
  3. Step 3: Cross multiply
    156,793.20x = 235,109.16 × 45,970.80
  4. Step 4: Simplify right side
    156,793.20x = 10,808,156,172.53
  5. Step 5: Solve for x
    x = 10,808,156,172.53/156,793.20
  6. Step 6: Final answer
    x = 68,932.56

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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.