Home / 127,671.46-176,183.49-71,081.62

Finding the Fourth Proportional to 127,671.46, 176,183.49 and 71,081.62

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Solution

The fourth proportional to 127,671.46, 176,183.49 and 71,081.62 is: 98,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,671.46 : 176,183.49 = 71,081.62 : x
  2. Step 2: Convert to fraction form
    127,671.46/176,183.49 = 71,081.62/x
  3. Step 3: Cross multiply
    127,671.46x = 176,183.49 × 71,081.62
  4. Step 4: Simplify right side
    127,671.46x = 12,523,407,886.45
  5. Step 5: Solve for x
    x = 12,523,407,886.45/127,671.46
  6. Step 6: Final answer
    x = 98,090.90

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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.