Home / 211,239.84-291,401.94-143,233.80

Finding the Fourth Proportional to 211,239.84, 291,401.94 and 143,233.80

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Solution

The fourth proportional to 211,239.84, 291,401.94 and 143,233.80 is: 197,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,239.84 : 291,401.94 = 143,233.80 : x
  2. Step 2: Convert to fraction form
    211,239.84/291,401.94 = 143,233.80/x
  3. Step 3: Cross multiply
    211,239.84x = 291,401.94 × 143,233.80
  4. Step 4: Simplify right side
    211,239.84x = 41,738,607,193.57
  5. Step 5: Solve for x
    x = 41,738,607,193.57/211,239.84
  6. Step 6: Final answer
    x = 197,588.71

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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.