Home / 156,783.20-234,829.20-136,047.20

Finding the Fourth Proportional to 156,783.20, 234,829.20 and 136,047.20

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Solution

The fourth proportional to 156,783.20, 234,829.20 and 136,047.20 is: 203,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.20 : 234,829.20 = 136,047.20 : x
  2. Step 2: Convert to fraction form
    156,783.20/234,829.20 = 136,047.20/x
  3. Step 3: Cross multiply
    156,783.20x = 234,829.20 × 136,047.20
  4. Step 4: Simplify right side
    156,783.20x = 31,947,855,138.24
  5. Step 5: Solve for x
    x = 31,947,855,138.24/156,783.20
  6. Step 6: Final answer
    x = 203,770.91

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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.