Home / 127,227.12-190,550-60,713.95

Finding the Fourth Proportional to 127,227.12, 190,550 and 60,713.95

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Solution

The fourth proportional to 127,227.12, 190,550 and 60,713.95 is: 90,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227.12 : 190,550 = 60,713.95 : x
  2. Step 2: Convert to fraction form
    127,227.12/190,550 = 60,713.95/x
  3. Step 3: Cross multiply
    127,227.12x = 190,550 × 60,713.95
  4. Step 4: Simplify right side
    127,227.12x = 11,569,043,172.50
  5. Step 5: Solve for x
    x = 11,569,043,172.50/127,227.12
  6. Step 6: Final answer
    x = 90,932.21

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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.