Home / 127,193.34-190,794.03-63,978.94

Finding the Fourth Proportional to 127,193.34, 190,794.03 and 63,978.94

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Solution

The fourth proportional to 127,193.34, 190,794.03 and 63,978.94 is: 95,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,193.34 : 190,794.03 = 63,978.94 : x
  2. Step 2: Convert to fraction form
    127,193.34/190,794.03 = 63,978.94/x
  3. Step 3: Cross multiply
    127,193.34x = 190,794.03 × 63,978.94
  4. Step 4: Simplify right side
    127,193.34x = 12,206,799,619.57
  5. Step 5: Solve for x
    x = 12,206,799,619.57/127,193.34
  6. Step 6: Final answer
    x = 95,970.43

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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.