Home / 165,659.32-248,528.72-53,350.12

Finding the Fourth Proportional to 165,659.32, 248,528.72 and 53,350.12

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Solution

The fourth proportional to 165,659.32, 248,528.72 and 53,350.12 is: 80,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,659.32 : 248,528.72 = 53,350.12 : x
  2. Step 2: Convert to fraction form
    165,659.32/248,528.72 = 53,350.12/x
  3. Step 3: Cross multiply
    165,659.32x = 248,528.72 × 53,350.12
  4. Step 4: Simplify right side
    165,659.32x = 13,259,037,035.45
  5. Step 5: Solve for x
    x = 13,259,037,035.45/165,659.32
  6. Step 6: Final answer
    x = 80,037.98

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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.