Home / 208,127.86-312,193.60-50,356.46

Finding the Fourth Proportional to 208,127.86, 312,193.60 and 50,356.46

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Solution

The fourth proportional to 208,127.86, 312,193.60 and 50,356.46 is: 75,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,127.86 : 312,193.60 = 50,356.46 : x
  2. Step 2: Convert to fraction form
    208,127.86/312,193.60 = 50,356.46/x
  3. Step 3: Cross multiply
    208,127.86x = 312,193.60 × 50,356.46
  4. Step 4: Simplify right side
    208,127.86x = 15,720,964,530.66
  5. Step 5: Solve for x
    x = 15,720,964,530.66/208,127.86
  6. Step 6: Final answer
    x = 75,535.13

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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.