Home / 173,919.42-262,063.77-143,021.57

Finding the Fourth Proportional to 173,919.42, 262,063.77 and 143,021.57

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Solution

The fourth proportional to 173,919.42, 262,063.77 and 143,021.57 is: 215,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,919.42 : 262,063.77 = 143,021.57 : x
  2. Step 2: Convert to fraction form
    173,919.42/262,063.77 = 143,021.57/x
  3. Step 3: Cross multiply
    173,919.42x = 262,063.77 × 143,021.57
  4. Step 4: Simplify right side
    173,919.42x = 37,480,771,825.52
  5. Step 5: Solve for x
    x = 37,480,771,825.52/173,919.42
  6. Step 6: Final answer
    x = 215,506.54

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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.