Home / 207,931.75-311,842.27-58,162.75

Finding the Fourth Proportional to 207,931.75, 311,842.27 and 58,162.75

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Solution

The fourth proportional to 207,931.75, 311,842.27 and 58,162.75 is: 87,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,931.75 : 311,842.27 = 58,162.75 : x
  2. Step 2: Convert to fraction form
    207,931.75/311,842.27 = 58,162.75/x
  3. Step 3: Cross multiply
    207,931.75x = 311,842.27 × 58,162.75
  4. Step 4: Simplify right side
    207,931.75x = 18,137,602,284.82
  5. Step 5: Solve for x
    x = 18,137,602,284.82/207,931.75
  6. Step 6: Final answer
    x = 87,228.63

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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.