Home / 103,610.91-142,363.44-82,353.27

Finding the Fourth Proportional to 103,610.91, 142,363.44 and 82,353.27

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Solution

The fourth proportional to 103,610.91, 142,363.44 and 82,353.27 is: 113,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610.91 : 142,363.44 = 82,353.27 : x
  2. Step 2: Convert to fraction form
    103,610.91/142,363.44 = 82,353.27/x
  3. Step 3: Cross multiply
    103,610.91x = 142,363.44 × 82,353.27
  4. Step 4: Simplify right side
    103,610.91x = 11,724,094,812.45
  5. Step 5: Solve for x
    x = 11,724,094,812.45/103,610.91
  6. Step 6: Final answer
    x = 113,155.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.