Home / 238,020.77-328,462.73-133,243.27

Finding the Fourth Proportional to 238,020.77, 328,462.73 and 133,243.27

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Solution

The fourth proportional to 238,020.77, 328,462.73 and 133,243.27 is: 183,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,020.77 : 328,462.73 = 133,243.27 : x
  2. Step 2: Convert to fraction form
    238,020.77/328,462.73 = 133,243.27/x
  3. Step 3: Cross multiply
    238,020.77x = 328,462.73 × 133,243.27
  4. Step 4: Simplify right side
    238,020.77x = 43,765,449,078.22
  5. Step 5: Solve for x
    x = 43,765,449,078.22/238,020.77
  6. Step 6: Final answer
    x = 183,872.39

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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.