Home / 144,340.17-199,190.10-80,676.60

Finding the Fourth Proportional to 144,340.17, 199,190.10 and 80,676.60

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Solution

The fourth proportional to 144,340.17, 199,190.10 and 80,676.60 is: 111,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,340.17 : 199,190.10 = 80,676.60 : x
  2. Step 2: Convert to fraction form
    144,340.17/199,190.10 = 80,676.60/x
  3. Step 3: Cross multiply
    144,340.17x = 199,190.10 × 80,676.60
  4. Step 4: Simplify right side
    144,340.17x = 16,069,980,021.66
  5. Step 5: Solve for x
    x = 16,069,980,021.66/144,340.17
  6. Step 6: Final answer
    x = 111,334.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.