Home / 165,967.68-229,032.90-90,516.18

Finding the Fourth Proportional to 165,967.68, 229,032.90 and 90,516.18

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Solution

The fourth proportional to 165,967.68, 229,032.90 and 90,516.18 is: 124,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,967.68 : 229,032.90 = 90,516.18 : x
  2. Step 2: Convert to fraction form
    165,967.68/229,032.90 = 90,516.18/x
  3. Step 3: Cross multiply
    165,967.68x = 229,032.90 × 90,516.18
  4. Step 4: Simplify right side
    165,967.68x = 20,731,183,202.32
  5. Step 5: Solve for x
    x = 20,731,183,202.32/165,967.68
  6. Step 6: Final answer
    x = 124,910.97

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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.