Home / 127,080.41-190,320.05-110,349.52

Finding the Fourth Proportional to 127,080.41, 190,320.05 and 110,349.52

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Solution

The fourth proportional to 127,080.41, 190,320.05 and 110,349.52 is: 165,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080.41 : 190,320.05 = 110,349.52 : x
  2. Step 2: Convert to fraction form
    127,080.41/190,320.05 = 110,349.52/x
  3. Step 3: Cross multiply
    127,080.41x = 190,320.05 × 110,349.52
  4. Step 4: Simplify right side
    127,080.41x = 21,001,725,963.95
  5. Step 5: Solve for x
    x = 21,001,725,963.95/127,080.41
  6. Step 6: Final answer
    x = 165,263.28

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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.