Home / 211,614.62-317,440.38-69,417.26

Finding the Fourth Proportional to 211,614.62, 317,440.38 and 69,417.26

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Solution

The fourth proportional to 211,614.62, 317,440.38 and 69,417.26 is: 104,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,614.62 : 317,440.38 = 69,417.26 : x
  2. Step 2: Convert to fraction form
    211,614.62/317,440.38 = 69,417.26/x
  3. Step 3: Cross multiply
    211,614.62x = 317,440.38 × 69,417.26
  4. Step 4: Simplify right side
    211,614.62x = 22,035,841,392.96
  5. Step 5: Solve for x
    x = 22,035,841,392.96/211,614.62
  6. Step 6: Final answer
    x = 104,131.94

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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.