Home / 516,161.60-774,065.90-196,236.30

Finding the Fourth Proportional to 516,161.60, 774,065.90 and 196,236.30

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Solution

The fourth proportional to 516,161.60, 774,065.90 and 196,236.30 is: 294,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,161.60 : 774,065.90 = 196,236.30 : x
  2. Step 2: Convert to fraction form
    516,161.60/774,065.90 = 196,236.30/x
  3. Step 3: Cross multiply
    516,161.60x = 774,065.90 × 196,236.30
  4. Step 4: Simplify right side
    516,161.60x = 151,899,827,190.99
  5. Step 5: Solve for x
    x = 151,899,827,190.99/516,161.60
  6. Step 6: Final answer
    x = 294,287.35

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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.