Home / 208,022.40-312,042.24-173,207.52

Finding the Fourth Proportional to 208,022.40, 312,042.24 and 173,207.52

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Solution

The fourth proportional to 208,022.40, 312,042.24 and 173,207.52 is: 259,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,022.40 : 312,042.24 = 173,207.52 : x
  2. Step 2: Convert to fraction form
    208,022.40/312,042.24 = 173,207.52/x
  3. Step 3: Cross multiply
    208,022.40x = 312,042.24 × 173,207.52
  4. Step 4: Simplify right side
    208,022.40x = 54,048,062,525.64
  5. Step 5: Solve for x
    x = 54,048,062,525.64/208,022.40
  6. Step 6: Final answer
    x = 259,818.47

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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.