Home / 126,893.68-190,368.36-38,155.12

Finding the Fourth Proportional to 126,893.68, 190,368.36 and 38,155.12

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Solution

The fourth proportional to 126,893.68, 190,368.36 and 38,155.12 is: 57,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,893.68 : 190,368.36 = 38,155.12 : x
  2. Step 2: Convert to fraction form
    126,893.68/190,368.36 = 38,155.12/x
  3. Step 3: Cross multiply
    126,893.68x = 190,368.36 × 38,155.12
  4. Step 4: Simplify right side
    126,893.68x = 7,263,527,620.00
  5. Step 5: Solve for x
    x = 7,263,527,620.00/126,893.68
  6. Step 6: Final answer
    x = 57,241.05

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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.