Home / 165,734.10-248,601.15-72,422.10

Finding the Fourth Proportional to 165,734.10, 248,601.15 and 72,422.10

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Solution

The fourth proportional to 165,734.10, 248,601.15 and 72,422.10 is: 108,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,734.10 : 248,601.15 = 72,422.10 : x
  2. Step 2: Convert to fraction form
    165,734.10/248,601.15 = 72,422.10/x
  3. Step 3: Cross multiply
    165,734.10x = 248,601.15 × 72,422.10
  4. Step 4: Simplify right side
    165,734.10x = 18,004,217,345.42
  5. Step 5: Solve for x
    x = 18,004,217,345.42/165,734.10
  6. Step 6: Final answer
    x = 108,633.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.