Home / 103,231.67-154,862.90-36,666.22

Finding the Fourth Proportional to 103,231.67, 154,862.90 and 36,666.22

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Solution

The fourth proportional to 103,231.67, 154,862.90 and 36,666.22 is: 55,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,231.67 : 154,862.90 = 36,666.22 : x
  2. Step 2: Convert to fraction form
    103,231.67/154,862.90 = 36,666.22/x
  3. Step 3: Cross multiply
    103,231.67x = 154,862.90 × 36,666.22
  4. Step 4: Simplify right side
    103,231.67x = 5,678,237,161.24
  5. Step 5: Solve for x
    x = 5,678,237,161.24/103,231.67
  6. Step 6: Final answer
    x = 55,004.80

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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.