Home / 156,823.20-235,234.80-134,272.80

Finding the Fourth Proportional to 156,823.20, 235,234.80 and 134,272.80

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Solution

The fourth proportional to 156,823.20, 235,234.80 and 134,272.80 is: 201,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,823.20 : 235,234.80 = 134,272.80 : x
  2. Step 2: Convert to fraction form
    156,823.20/235,234.80 = 134,272.80/x
  3. Step 3: Cross multiply
    156,823.20x = 235,234.80 × 134,272.80
  4. Step 4: Simplify right side
    156,823.20x = 31,585,635,253.44
  5. Step 5: Solve for x
    x = 31,585,635,253.44/156,823.20
  6. Step 6: Final answer
    x = 201,409.20

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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.