Home / 211,772.27-317,705.76-71,527.25

Finding the Fourth Proportional to 211,772.27, 317,705.76 and 71,527.25

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Solution

The fourth proportional to 211,772.27, 317,705.76 and 71,527.25 is: 107,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,772.27 : 317,705.76 = 71,527.25 : x
  2. Step 2: Convert to fraction form
    211,772.27/317,705.76 = 71,527.25/x
  3. Step 3: Cross multiply
    211,772.27x = 317,705.76 × 71,527.25
  4. Step 4: Simplify right side
    211,772.27x = 22,724,620,116.22
  5. Step 5: Solve for x
    x = 22,724,620,116.22/211,772.27
  6. Step 6: Final answer
    x = 107,306.87

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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.