Home / 136,972.94-205,440.26-47,014.25

Finding the Fourth Proportional to 136,972.94, 205,440.26 and 47,014.25

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Solution

The fourth proportional to 136,972.94, 205,440.26 and 47,014.25 is: 70,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,972.94 : 205,440.26 = 47,014.25 : x
  2. Step 2: Convert to fraction form
    136,972.94/205,440.26 = 47,014.25/x
  3. Step 3: Cross multiply
    136,972.94x = 205,440.26 × 47,014.25
  4. Step 4: Simplify right side
    136,972.94x = 9,658,618,481.43
  5. Step 5: Solve for x
    x = 9,658,618,481.43/136,972.94
  6. Step 6: Final answer
    x = 70,514.80

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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.