Home / 140,749.06-194,233.69-77,087.02

Finding the Fourth Proportional to 140,749.06, 194,233.69 and 77,087.02

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Solution

The fourth proportional to 140,749.06, 194,233.69 and 77,087.02 is: 106,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,749.06 : 194,233.69 = 77,087.02 : x
  2. Step 2: Convert to fraction form
    140,749.06/194,233.69 = 77,087.02/x
  3. Step 3: Cross multiply
    140,749.06x = 194,233.69 × 77,087.02
  4. Step 4: Simplify right side
    140,749.06x = 14,972,896,345.70
  5. Step 5: Solve for x
    x = 14,972,896,345.70/140,749.06
  6. Step 6: Final answer
    x = 106,380.08

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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.