Home / 126,815.59-190,226.87-38,069.12

Finding the Fourth Proportional to 126,815.59, 190,226.87 and 38,069.12

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Solution

The fourth proportional to 126,815.59, 190,226.87 and 38,069.12 is: 57,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.59 : 190,226.87 = 38,069.12 : x
  2. Step 2: Convert to fraction form
    126,815.59/190,226.87 = 38,069.12/x
  3. Step 3: Cross multiply
    126,815.59x = 190,226.87 × 38,069.12
  4. Step 4: Simplify right side
    126,815.59x = 7,241,769,541.25
  5. Step 5: Solve for x
    x = 7,241,769,541.25/126,815.59
  6. Step 6: Final answer
    x = 57,104.73

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1.5x scale

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.