Home / 516,225.96-774,311.40-161,199.36

Finding the Fourth Proportional to 516,225.96, 774,311.40 and 161,199.36

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Solution

The fourth proportional to 516,225.96, 774,311.40 and 161,199.36 is: 241,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,225.96 : 774,311.40 = 161,199.36 : x
  2. Step 2: Convert to fraction form
    516,225.96/774,311.40 = 161,199.36/x
  3. Step 3: Cross multiply
    516,225.96x = 774,311.40 × 161,199.36
  4. Step 4: Simplify right side
    516,225.96x = 124,818,502,120.70
  5. Step 5: Solve for x
    x = 124,818,502,120.70/516,225.96
  6. Step 6: Final answer
    x = 241,790.44

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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.