Home / 174,171.16-261,847.32-139,080.76

Finding the Fourth Proportional to 174,171.16, 261,847.32 and 139,080.76

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Solution

The fourth proportional to 174,171.16, 261,847.32 and 139,080.76 is: 209,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,171.16 : 261,847.32 = 139,080.76 : x
  2. Step 2: Convert to fraction form
    174,171.16/261,847.32 = 139,080.76/x
  3. Step 3: Cross multiply
    174,171.16x = 261,847.32 × 139,080.76
  4. Step 4: Simplify right side
    174,171.16x = 36,417,924,269.56
  5. Step 5: Solve for x
    x = 36,417,924,269.56/174,171.16
  6. Step 6: Final answer
    x = 209,092.74

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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.