Home / 126,869.47-190,244.60-73,576.59

Finding the Fourth Proportional to 126,869.47, 190,244.60 and 73,576.59

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Solution

The fourth proportional to 126,869.47, 190,244.60 and 73,576.59 is: 110,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,869.47 : 190,244.60 = 73,576.59 : x
  2. Step 2: Convert to fraction form
    126,869.47/190,244.60 = 73,576.59/x
  3. Step 3: Cross multiply
    126,869.47x = 190,244.60 × 73,576.59
  4. Step 4: Simplify right side
    126,869.47x = 13,997,548,933.91
  5. Step 5: Solve for x
    x = 13,997,548,933.91/126,869.47
  6. Step 6: Final answer
    x = 110,330.32

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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.