Home / 127,160.20-190,740.30-97,726.60

Finding the Fourth Proportional to 127,160.20, 190,740.30 and 97,726.60

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Solution

The fourth proportional to 127,160.20, 190,740.30 and 97,726.60 is: 146,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,160.20 : 190,740.30 = 97,726.60 : x
  2. Step 2: Convert to fraction form
    127,160.20/190,740.30 = 97,726.60/x
  3. Step 3: Cross multiply
    127,160.20x = 190,740.30 × 97,726.60
  4. Step 4: Simplify right side
    127,160.20x = 18,640,401,001.98
  5. Step 5: Solve for x
    x = 18,640,401,001.98/127,160.20
  6. Step 6: Final answer
    x = 146,589.90

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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.