Home / 127,054.16-190,695.48-67,940.36

Finding the Fourth Proportional to 127,054.16, 190,695.48 and 67,940.36

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Solution

The fourth proportional to 127,054.16, 190,695.48 and 67,940.36 is: 101,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,054.16 : 190,695.48 = 67,940.36 : x
  2. Step 2: Convert to fraction form
    127,054.16/190,695.48 = 67,940.36/x
  3. Step 3: Cross multiply
    127,054.16x = 190,695.48 × 67,940.36
  4. Step 4: Simplify right side
    127,054.16x = 12,955,919,561.57
  5. Step 5: Solve for x
    x = 12,955,919,561.57/127,054.16
  6. Step 6: Final answer
    x = 101,971.63

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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.