Home / 239,939.81-359,426.85-113,701.79

Finding the Fourth Proportional to 239,939.81, 359,426.85 and 113,701.79

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Solution

The fourth proportional to 239,939.81, 359,426.85 and 113,701.79 is: 170,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,939.81 : 359,426.85 = 113,701.79 : x
  2. Step 2: Convert to fraction form
    239,939.81/359,426.85 = 113,701.79/x
  3. Step 3: Cross multiply
    239,939.81x = 359,426.85 × 113,701.79
  4. Step 4: Simplify right side
    239,939.81x = 40,867,474,421.93
  5. Step 5: Solve for x
    x = 40,867,474,421.93/239,939.81
  6. Step 6: Final answer
    x = 170,323.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.