Home / 202,447.07-303,639.47-67,513.50

Finding the Fourth Proportional to 202,447.07, 303,639.47 and 67,513.50

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Solution

The fourth proportional to 202,447.07, 303,639.47 and 67,513.50 is: 101,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,447.07 : 303,639.47 = 67,513.50 : x
  2. Step 2: Convert to fraction form
    202,447.07/303,639.47 = 67,513.50/x
  3. Step 3: Cross multiply
    202,447.07x = 303,639.47 × 67,513.50
  4. Step 4: Simplify right side
    202,447.07x = 20,499,763,526.63
  5. Step 5: Solve for x
    x = 20,499,763,526.63/202,447.07
  6. Step 6: Final answer
    x = 101,259.87

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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.