Home / 516,211.20-774,322.56-161,199.36

Finding the Fourth Proportional to 516,211.20, 774,322.56 and 161,199.36

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Solution

The fourth proportional to 516,211.20, 774,322.56 and 161,199.36 is: 241,800.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,211.20 : 774,322.56 = 161,199.36 : x
  2. Step 2: Convert to fraction form
    516,211.20/774,322.56 = 161,199.36/x
  3. Step 3: Cross multiply
    516,211.20x = 774,322.56 × 161,199.36
  4. Step 4: Simplify right side
    516,211.20x = 124,820,301,105.56
  5. Step 5: Solve for x
    x = 124,820,301,105.56/516,211.20
  6. Step 6: Final answer
    x = 241,800.84

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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.