Home / 130,511.10-195,766.65-127,230.60

Finding the Fourth Proportional to 130,511.10, 195,766.65 and 127,230.60

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Solution

The fourth proportional to 130,511.10, 195,766.65 and 127,230.60 is: 190,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,511.10 : 195,766.65 = 127,230.60 : x
  2. Step 2: Convert to fraction form
    130,511.10/195,766.65 = 127,230.60/x
  3. Step 3: Cross multiply
    130,511.10x = 195,766.65 × 127,230.60
  4. Step 4: Simplify right side
    130,511.10x = 24,907,508,339.49
  5. Step 5: Solve for x
    x = 24,907,508,339.49/130,511.10
  6. Step 6: Final answer
    x = 190,845.90

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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.