Home / 205,023.04-307,586.36-57,279.04

Finding the Fourth Proportional to 205,023.04, 307,586.36 and 57,279.04

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Solution

The fourth proportional to 205,023.04, 307,586.36 and 57,279.04 is: 85,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,023.04 : 307,586.36 = 57,279.04 : x
  2. Step 2: Convert to fraction form
    205,023.04/307,586.36 = 57,279.04/x
  3. Step 3: Cross multiply
    205,023.04x = 307,586.36 × 57,279.04
  4. Step 4: Simplify right side
    205,023.04x = 17,618,251,417.89
  5. Step 5: Solve for x
    x = 17,618,251,417.89/205,023.04
  6. Step 6: Final answer
    x = 85,933.03

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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.