Home / 208,401.56-312,602.28-50,628.92

Finding the Fourth Proportional to 208,401.56, 312,602.28 and 50,628.92

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Solution

The fourth proportional to 208,401.56, 312,602.28 and 50,628.92 is: 75,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,401.56 : 312,602.28 = 50,628.92 : x
  2. Step 2: Convert to fraction form
    208,401.56/312,602.28 = 50,628.92/x
  3. Step 3: Cross multiply
    208,401.56x = 312,602.28 × 50,628.92
  4. Step 4: Simplify right side
    208,401.56x = 15,826,715,825.94
  5. Step 5: Solve for x
    x = 15,826,715,825.94/208,401.56
  6. Step 6: Final answer
    x = 75,943.37

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1.5x scale

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.