Home / 155,933.85-215,192.64-95,537.80

Finding the Fourth Proportional to 155,933.85, 215,192.64 and 95,537.80

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Solution

The fourth proportional to 155,933.85, 215,192.64 and 95,537.80 is: 131,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,933.85 : 215,192.64 = 95,537.80 : x
  2. Step 2: Convert to fraction form
    155,933.85/215,192.64 = 95,537.80/x
  3. Step 3: Cross multiply
    155,933.85x = 215,192.64 × 95,537.80
  4. Step 4: Simplify right side
    155,933.85x = 20,559,031,401.79
  5. Step 5: Solve for x
    x = 20,559,031,401.79/155,933.85
  6. Step 6: Final answer
    x = 131,844.57

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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.