Home / 117,543.92-162,187.78-69,812.24

Finding the Fourth Proportional to 117,543.92, 162,187.78 and 69,812.24

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Solution

The fourth proportional to 117,543.92, 162,187.78 and 69,812.24 is: 96,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,543.92 : 162,187.78 = 69,812.24 : x
  2. Step 2: Convert to fraction form
    117,543.92/162,187.78 = 69,812.24/x
  3. Step 3: Cross multiply
    117,543.92x = 162,187.78 × 69,812.24
  4. Step 4: Simplify right side
    117,543.92x = 11,322,692,222.43
  5. Step 5: Solve for x
    x = 11,322,692,222.43/117,543.92
  6. Step 6: Final answer
    x = 96,327.33

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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.