Home / 156,072.30-234,108.45-153,998.70

Finding the Fourth Proportional to 156,072.30, 234,108.45 and 153,998.70

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Solution

The fourth proportional to 156,072.30, 234,108.45 and 153,998.70 is: 230,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,072.30 : 234,108.45 = 153,998.70 : x
  2. Step 2: Convert to fraction form
    156,072.30/234,108.45 = 153,998.70/x
  3. Step 3: Cross multiply
    156,072.30x = 234,108.45 × 153,998.70
  4. Step 4: Simplify right side
    156,072.30x = 36,052,396,959.02
  5. Step 5: Solve for x
    x = 36,052,396,959.02/156,072.30
  6. Step 6: Final answer
    x = 230,998.05

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1.5x scale

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.