Home / 208,266.63-312,351.17-58,521.22

Finding the Fourth Proportional to 208,266.63, 312,351.17 and 58,521.22

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Solution

The fourth proportional to 208,266.63, 312,351.17 and 58,521.22 is: 87,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,266.63 : 312,351.17 = 58,521.22 : x
  2. Step 2: Convert to fraction form
    208,266.63/312,351.17 = 58,521.22/x
  3. Step 3: Cross multiply
    208,266.63x = 312,351.17 × 58,521.22
  4. Step 4: Simplify right side
    208,266.63x = 18,279,171,536.83
  5. Step 5: Solve for x
    x = 18,279,171,536.83/208,266.63
  6. Step 6: Final answer
    x = 87,768.12

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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.