Home / 173,920.20-262,064.96-143,022.35

Finding the Fourth Proportional to 173,920.20, 262,064.96 and 143,022.35

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Solution

The fourth proportional to 173,920.20, 262,064.96 and 143,022.35 is: 215,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,920.20 : 262,064.96 = 143,022.35 : x
  2. Step 2: Convert to fraction form
    173,920.20/262,064.96 = 143,022.35/x
  3. Step 3: Cross multiply
    173,920.20x = 262,064.96 × 143,022.35
  4. Step 4: Simplify right side
    173,920.20x = 37,481,145,121.53
  5. Step 5: Solve for x
    x = 37,481,145,121.53/173,920.20
  6. Step 6: Final answer
    x = 215,507.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.