Home / 126,959.20-190,470.29-89,592.28

Finding the Fourth Proportional to 126,959.20, 190,470.29 and 89,592.28

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Solution

The fourth proportional to 126,959.20, 190,470.29 and 89,592.28 is: 134,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,959.20 : 190,470.29 = 89,592.28 : x
  2. Step 2: Convert to fraction form
    126,959.20/190,470.29 = 89,592.28/x
  3. Step 3: Cross multiply
    126,959.20x = 190,470.29 × 89,592.28
  4. Step 4: Simplify right side
    126,959.20x = 17,064,666,629.22
  5. Step 5: Solve for x
    x = 17,064,666,629.22/126,959.20
  6. Step 6: Final answer
    x = 134,410.64

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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.