Home / 144,622.31-199,577.27-80,960.63

Finding the Fourth Proportional to 144,622.31, 199,577.27 and 80,960.63

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Solution

The fourth proportional to 144,622.31, 199,577.27 and 80,960.63 is: 111,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,622.31 : 199,577.27 = 80,960.63 : x
  2. Step 2: Convert to fraction form
    144,622.31/199,577.27 = 80,960.63/x
  3. Step 3: Cross multiply
    144,622.31x = 199,577.27 × 80,960.63
  4. Step 4: Simplify right side
    144,622.31x = 16,157,901,108.08
  5. Step 5: Solve for x
    x = 16,157,901,108.08/144,622.31
  6. Step 6: Final answer
    x = 111,724.82

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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.