Home / 156,912.15-235,368.23-137,229.15

Finding the Fourth Proportional to 156,912.15, 235,368.23 and 137,229.15

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Solution

The fourth proportional to 156,912.15, 235,368.23 and 137,229.15 is: 205,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.15 : 235,368.23 = 137,229.15 : x
  2. Step 2: Convert to fraction form
    156,912.15/235,368.23 = 137,229.15/x
  3. Step 3: Cross multiply
    156,912.15x = 235,368.23 × 137,229.15
  4. Step 4: Simplify right side
    156,912.15x = 32,299,382,139.90
  5. Step 5: Solve for x
    x = 32,299,382,139.90/156,912.15
  6. Step 6: Final answer
    x = 205,843.73

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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.