Home / 126,884.16-190,348.20-42,652.56

Finding the Fourth Proportional to 126,884.16, 190,348.20 and 42,652.56

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Solution

The fourth proportional to 126,884.16, 190,348.20 and 42,652.56 is: 63,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,884.16 : 190,348.20 = 42,652.56 : x
  2. Step 2: Convert to fraction form
    126,884.16/190,348.20 = 42,652.56/x
  3. Step 3: Cross multiply
    126,884.16x = 190,348.20 × 42,652.56
  4. Step 4: Simplify right side
    126,884.16x = 8,118,838,021.39
  5. Step 5: Solve for x
    x = 8,118,838,021.39/126,884.16
  6. Step 6: Final answer
    x = 63,986.22

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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.