Home / 117,118.56-161,622.26-63,402.38

Finding the Fourth Proportional to 117,118.56, 161,622.26 and 63,402.38

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Solution

The fourth proportional to 117,118.56, 161,622.26 and 63,402.38 is: 87,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,118.56 : 161,622.26 = 63,402.38 : x
  2. Step 2: Convert to fraction form
    117,118.56/161,622.26 = 63,402.38/x
  3. Step 3: Cross multiply
    117,118.56x = 161,622.26 × 63,402.38
  4. Step 4: Simplify right side
    117,118.56x = 10,247,235,944.98
  5. Step 5: Solve for x
    x = 10,247,235,944.98/117,118.56
  6. Step 6: Final answer
    x = 87,494.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.