Home / 156,048.20-234,072.30-146,206.70

Finding the Fourth Proportional to 156,048.20, 234,072.30 and 146,206.70

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Solution

The fourth proportional to 156,048.20, 234,072.30 and 146,206.70 is: 219,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,048.20 : 234,072.30 = 146,206.70 : x
  2. Step 2: Convert to fraction form
    156,048.20/234,072.30 = 146,206.70/x
  3. Step 3: Cross multiply
    156,048.20x = 234,072.30 × 146,206.70
  4. Step 4: Simplify right side
    156,048.20x = 34,222,938,544.41
  5. Step 5: Solve for x
    x = 34,222,938,544.41/156,048.20
  6. Step 6: Final answer
    x = 219,310.05

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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.