Home / 126,813.40-190,205.70-33,328.60

Finding the Fourth Proportional to 126,813.40, 190,205.70 and 33,328.60

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Solution

The fourth proportional to 126,813.40, 190,205.70 and 33,328.60 is: 49,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,813.40 : 190,205.70 = 33,328.60 : x
  2. Step 2: Convert to fraction form
    126,813.40/190,205.70 = 33,328.60/x
  3. Step 3: Cross multiply
    126,813.40x = 190,205.70 × 33,328.60
  4. Step 4: Simplify right side
    126,813.40x = 6,339,289,693.02
  5. Step 5: Solve for x
    x = 6,339,289,693.02/126,813.40
  6. Step 6: Final answer
    x = 49,989.12

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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.