Home / 208,229.22-312,362.90-58,468.50

Finding the Fourth Proportional to 208,229.22, 312,362.90 and 58,468.50

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Solution

The fourth proportional to 208,229.22, 312,362.90 and 58,468.50 is: 87,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,229.22 : 312,362.90 = 58,468.50 : x
  2. Step 2: Convert to fraction form
    208,229.22/312,362.90 = 58,468.50/x
  3. Step 3: Cross multiply
    208,229.22x = 312,362.90 × 58,468.50
  4. Step 4: Simplify right side
    208,229.22x = 18,263,390,859.64
  5. Step 5: Solve for x
    x = 18,263,390,859.64/208,229.22
  6. Step 6: Final answer
    x = 87,708.11

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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.