Home / 165,349.32-247,878.46-65,579.56

Finding the Fourth Proportional to 165,349.32, 247,878.46 and 65,579.56

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Solution

The fourth proportional to 165,349.32, 247,878.46 and 65,579.56 is: 98,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,349.32 : 247,878.46 = 65,579.56 : x
  2. Step 2: Convert to fraction form
    165,349.32/247,878.46 = 65,579.56/x
  3. Step 3: Cross multiply
    165,349.32x = 247,878.46 × 65,579.56
  4. Step 4: Simplify right side
    165,349.32x = 16,255,760,340.28
  5. Step 5: Solve for x
    x = 16,255,760,340.28/165,349.32
  6. Step 6: Final answer
    x = 98,311.62

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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.