Home / 268,127.03-369,878.43-171,229.03

Finding the Fourth Proportional to 268,127.03, 369,878.43 and 171,229.03

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Solution

The fourth proportional to 268,127.03, 369,878.43 and 171,229.03 is: 236,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,127.03 : 369,878.43 = 171,229.03 : x
  2. Step 2: Convert to fraction form
    268,127.03/369,878.43 = 171,229.03/x
  3. Step 3: Cross multiply
    268,127.03x = 369,878.43 × 171,229.03
  4. Step 4: Simplify right side
    268,127.03x = 63,333,924,786.82
  5. Step 5: Solve for x
    x = 63,333,924,786.82/268,127.03
  6. Step 6: Final answer
    x = 236,208.65

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1.5x scale

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.