Home / 130,778.88-196,170.14-37,284.63

Finding the Fourth Proportional to 130,778.88, 196,170.14 and 37,284.63

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Solution

The fourth proportional to 130,778.88, 196,170.14 and 37,284.63 is: 55,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,778.88 : 196,170.14 = 37,284.63 : x
  2. Step 2: Convert to fraction form
    130,778.88/196,170.14 = 37,284.63/x
  3. Step 3: Cross multiply
    130,778.88x = 196,170.14 × 37,284.63
  4. Step 4: Simplify right side
    130,778.88x = 7,314,131,086.95
  5. Step 5: Solve for x
    x = 7,314,131,086.95/130,778.88
  6. Step 6: Final answer
    x = 55,927.46

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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.