Home / 254,733.30-382,087.80-86,237.10

Finding the Fourth Proportional to 254,733.30, 382,087.80 and 86,237.10

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Solution

The fourth proportional to 254,733.30, 382,087.80 and 86,237.10 is: 129,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,733.30 : 382,087.80 = 86,237.10 : x
  2. Step 2: Convert to fraction form
    254,733.30/382,087.80 = 86,237.10/x
  3. Step 3: Cross multiply
    254,733.30x = 382,087.80 × 86,237.10
  4. Step 4: Simplify right side
    254,733.30x = 32,950,143,817.38
  5. Step 5: Solve for x
    x = 32,950,143,817.38/254,733.30
  6. Step 6: Final answer
    x = 129,351.54

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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.