Home / 126,305.44-174,308.70-75,304.60

Finding the Fourth Proportional to 126,305.44, 174,308.70 and 75,304.60

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Solution

The fourth proportional to 126,305.44, 174,308.70 and 75,304.60 is: 103,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,305.44 : 174,308.70 = 75,304.60 : x
  2. Step 2: Convert to fraction form
    126,305.44/174,308.70 = 75,304.60/x
  3. Step 3: Cross multiply
    126,305.44x = 174,308.70 × 75,304.60
  4. Step 4: Simplify right side
    126,305.44x = 13,126,246,930.02
  5. Step 5: Solve for x
    x = 13,126,246,930.02/126,305.44
  6. Step 6: Final answer
    x = 103,924.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.