Home / 126,937.10-190,478.55-48,107.90

Finding the Fourth Proportional to 126,937.10, 190,478.55 and 48,107.90

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Solution

The fourth proportional to 126,937.10, 190,478.55 and 48,107.90 is: 72,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.10 : 190,478.55 = 48,107.90 : x
  2. Step 2: Convert to fraction form
    126,937.10/190,478.55 = 48,107.90/x
  3. Step 3: Cross multiply
    126,937.10x = 190,478.55 × 48,107.90
  4. Step 4: Simplify right side
    126,937.10x = 9,163,523,035.55
  5. Step 5: Solve for x
    x = 9,163,523,035.55/126,937.10
  6. Step 6: Final answer
    x = 72,189.48

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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.