Home / 126,921.60-190,455.30-48,092.40

Finding the Fourth Proportional to 126,921.60, 190,455.30 and 48,092.40

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Solution

The fourth proportional to 126,921.60, 190,455.30 and 48,092.40 is: 72,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,921.60 : 190,455.30 = 48,092.40 : x
  2. Step 2: Convert to fraction form
    126,921.60/190,455.30 = 48,092.40/x
  3. Step 3: Cross multiply
    126,921.60x = 190,455.30 × 48,092.40
  4. Step 4: Simplify right side
    126,921.60x = 9,159,452,469.72
  5. Step 5: Solve for x
    x = 9,159,452,469.72/126,921.60
  6. Step 6: Final answer
    x = 72,166.22

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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.