Home / 268,123.03-369,872.91-171,225.03

Finding the Fourth Proportional to 268,123.03, 369,872.91 and 171,225.03

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Solution

The fourth proportional to 268,123.03, 369,872.91 and 171,225.03 is: 236,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,123.03 : 369,872.91 = 171,225.03 : x
  2. Step 2: Convert to fraction form
    268,123.03/369,872.91 = 171,225.03/x
  3. Step 3: Cross multiply
    268,123.03x = 369,872.91 × 171,225.03
  4. Step 4: Simplify right side
    268,123.03x = 63,331,500,110.94
  5. Step 5: Solve for x
    x = 63,331,500,110.94/268,123.03
  6. Step 6: Final answer
    x = 236,203.13

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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.