Home / 144,054.02-198,795.12-80,394.50

Finding the Fourth Proportional to 144,054.02, 198,795.12 and 80,394.50

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Solution

The fourth proportional to 144,054.02, 198,795.12 and 80,394.50 is: 110,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,054.02 : 198,795.12 = 80,394.50 : x
  2. Step 2: Convert to fraction form
    144,054.02/198,795.12 = 80,394.50/x
  3. Step 3: Cross multiply
    144,054.02x = 198,795.12 × 80,394.50
  4. Step 4: Simplify right side
    144,054.02x = 15,982,034,274.84
  5. Step 5: Solve for x
    x = 15,982,034,274.84/144,054.02
  6. Step 6: Final answer
    x = 110,944.73

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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.