Home / 127,224.20-190,836.30-97,790.60

Finding the Fourth Proportional to 127,224.20, 190,836.30 and 97,790.60

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Solution

The fourth proportional to 127,224.20, 190,836.30 and 97,790.60 is: 146,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224.20 : 190,836.30 = 97,790.60 : x
  2. Step 2: Convert to fraction form
    127,224.20/190,836.30 = 97,790.60/x
  3. Step 3: Cross multiply
    127,224.20x = 190,836.30 × 97,790.60
  4. Step 4: Simplify right side
    127,224.20x = 18,661,996,278.78
  5. Step 5: Solve for x
    x = 18,661,996,278.78/127,224.20
  6. Step 6: Final answer
    x = 146,685.90

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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.