Home / 208,118.64-312,142.74-58,324.46

Finding the Fourth Proportional to 208,118.64, 312,142.74 and 58,324.46

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Solution

The fourth proportional to 208,118.64, 312,142.74 and 58,324.46 is: 87,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,118.64 : 312,142.74 = 58,324.46 : x
  2. Step 2: Convert to fraction form
    208,118.64/312,142.74 = 58,324.46/x
  3. Step 3: Cross multiply
    208,118.64x = 312,142.74 × 58,324.46
  4. Step 4: Simplify right side
    208,118.64x = 18,205,555,192.71
  5. Step 5: Solve for x
    x = 18,205,555,192.71/208,118.64
  6. Step 6: Final answer
    x = 87,476.81

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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.