Home / 107,224.92-147,873.51-66,942.36

Finding the Fourth Proportional to 107,224.92, 147,873.51 and 66,942.36

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Solution

The fourth proportional to 107,224.92, 147,873.51 and 66,942.36 is: 92,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,224.92 : 147,873.51 = 66,942.36 : x
  2. Step 2: Convert to fraction form
    107,224.92/147,873.51 = 66,942.36/x
  3. Step 3: Cross multiply
    107,224.92x = 147,873.51 × 66,942.36
  4. Step 4: Simplify right side
    107,224.92x = 9,899,001,740.88
  5. Step 5: Solve for x
    x = 9,899,001,740.88/107,224.92
  6. Step 6: Final answer
    x = 92,319.97

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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.