Home / 209,135.54-313,702.63-59,375.93

Finding the Fourth Proportional to 209,135.54, 313,702.63 and 59,375.93

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Solution

The fourth proportional to 209,135.54, 313,702.63 and 59,375.93 is: 89,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,135.54 : 313,702.63 = 59,375.93 : x
  2. Step 2: Convert to fraction form
    209,135.54/313,702.63 = 59,375.93/x
  3. Step 3: Cross multiply
    209,135.54x = 313,702.63 × 59,375.93
  4. Step 4: Simplify right side
    209,135.54x = 18,626,383,682.74
  5. Step 5: Solve for x
    x = 18,626,383,682.74/209,135.54
  6. Step 6: Final answer
    x = 89,063.69

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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.