Home / 219,166.52-302,446.85-122,371.88

Finding the Fourth Proportional to 219,166.52, 302,446.85 and 122,371.88

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Solution

The fourth proportional to 219,166.52, 302,446.85 and 122,371.88 is: 168,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,166.52 : 302,446.85 = 122,371.88 : x
  2. Step 2: Convert to fraction form
    219,166.52/302,446.85 = 122,371.88/x
  3. Step 3: Cross multiply
    219,166.52x = 302,446.85 × 122,371.88
  4. Step 4: Simplify right side
    219,166.52x = 37,010,987,510.48
  5. Step 5: Solve for x
    x = 37,010,987,510.48/219,166.52
  6. Step 6: Final answer
    x = 168,871.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.