Home / 208,334.12-312,519.63-58,575.71

Finding the Fourth Proportional to 208,334.12, 312,519.63 and 58,575.71

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Solution

The fourth proportional to 208,334.12, 312,519.63 and 58,575.71 is: 87,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,334.12 : 312,519.63 = 58,575.71 : x
  2. Step 2: Convert to fraction form
    208,334.12/312,519.63 = 58,575.71/x
  3. Step 3: Cross multiply
    208,334.12x = 312,519.63 × 58,575.71
  4. Step 4: Simplify right side
    208,334.12x = 18,306,057,653.59
  5. Step 5: Solve for x
    x = 18,306,057,653.59/208,334.12
  6. Step 6: Final answer
    x = 87,868.75

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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.