Home / 156,727.70-235,091.55-82,999.70

Finding the Fourth Proportional to 156,727.70, 235,091.55 and 82,999.70

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Solution

The fourth proportional to 156,727.70, 235,091.55 and 82,999.70 is: 124,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727.70 : 235,091.55 = 82,999.70 : x
  2. Step 2: Convert to fraction form
    156,727.70/235,091.55 = 82,999.70/x
  3. Step 3: Cross multiply
    156,727.70x = 235,091.55 × 82,999.70
  4. Step 4: Simplify right side
    156,727.70x = 19,512,528,122.54
  5. Step 5: Solve for x
    x = 19,512,528,122.54/156,727.70
  6. Step 6: Final answer
    x = 124,499.55

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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.