Home / 319,099.56-440,378.16-183,177.50

Finding the Fourth Proportional to 319,099.56, 440,378.16 and 183,177.50

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Solution

The fourth proportional to 319,099.56, 440,378.16 and 183,177.50 is: 252,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,099.56 : 440,378.16 = 183,177.50 : x
  2. Step 2: Convert to fraction form
    319,099.56/440,378.16 = 183,177.50/x
  3. Step 3: Cross multiply
    319,099.56x = 440,378.16 × 183,177.50
  4. Step 4: Simplify right side
    319,099.56x = 80,667,370,403.40
  5. Step 5: Solve for x
    x = 80,667,370,403.40/319,099.56
  6. Step 6: Final answer
    x = 252,796.87

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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.