Home / 211,679.08-317,472.54-106,386.28

Finding the Fourth Proportional to 211,679.08, 317,472.54 and 106,386.28

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Solution

The fourth proportional to 211,679.08, 317,472.54 and 106,386.28 is: 159,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,679.08 : 317,472.54 = 106,386.28 : x
  2. Step 2: Convert to fraction form
    211,679.08/317,472.54 = 106,386.28/x
  3. Step 3: Cross multiply
    211,679.08x = 317,472.54 × 106,386.28
  4. Step 4: Simplify right side
    211,679.08x = 33,774,722,532.75
  5. Step 5: Solve for x
    x = 33,774,722,532.75/211,679.08
  6. Step 6: Final answer
    x = 159,556.26

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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.