Home / 156,949.20-235,423.80-63,406.80

Finding the Fourth Proportional to 156,949.20, 235,423.80 and 63,406.80

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Solution

The fourth proportional to 156,949.20, 235,423.80 and 63,406.80 is: 95,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.20 : 235,423.80 = 63,406.80 : x
  2. Step 2: Convert to fraction form
    156,949.20/235,423.80 = 63,406.80/x
  3. Step 3: Cross multiply
    156,949.20x = 235,423.80 × 63,406.80
  4. Step 4: Simplify right side
    156,949.20x = 14,927,469,801.84
  5. Step 5: Solve for x
    x = 14,927,469,801.84/156,949.20
  6. Step 6: Final answer
    x = 95,110.20

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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.