Home / 110,279.08-165,435.02-51,120.73

Finding the Fourth Proportional to 110,279.08, 165,435.02 and 51,120.73

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Solution

The fourth proportional to 110,279.08, 165,435.02 and 51,120.73 is: 76,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,279.08 : 165,435.02 = 51,120.73 : x
  2. Step 2: Convert to fraction form
    110,279.08/165,435.02 = 51,120.73/x
  3. Step 3: Cross multiply
    110,279.08x = 165,435.02 × 51,120.73
  4. Step 4: Simplify right side
    110,279.08x = 8,457,158,989.96
  5. Step 5: Solve for x
    x = 8,457,158,989.96/110,279.08
  6. Step 6: Final answer
    x = 76,688.70

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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.