Home / 211,600.68-317,434.98-61,821.96

Finding the Fourth Proportional to 211,600.68, 317,434.98 and 61,821.96

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Solution

The fourth proportional to 211,600.68, 317,434.98 and 61,821.96 is: 92,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,600.68 : 317,434.98 = 61,821.96 : x
  2. Step 2: Convert to fraction form
    211,600.68/317,434.98 = 61,821.96/x
  3. Step 3: Cross multiply
    211,600.68x = 317,434.98 × 61,821.96
  4. Step 4: Simplify right side
    211,600.68x = 19,624,452,636.16
  5. Step 5: Solve for x
    x = 19,624,452,636.16/211,600.68
  6. Step 6: Final answer
    x = 92,742.86

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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.