Home / 238,822.29-329,574.75-131,390.02

Finding the Fourth Proportional to 238,822.29, 329,574.75 and 131,390.02

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Solution

The fourth proportional to 238,822.29, 329,574.75 and 131,390.02 is: 181,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,822.29 : 329,574.75 = 131,390.02 : x
  2. Step 2: Convert to fraction form
    238,822.29/329,574.75 = 131,390.02/x
  3. Step 3: Cross multiply
    238,822.29x = 329,574.75 × 131,390.02
  4. Step 4: Simplify right side
    238,822.29x = 43,302,832,170.06
  5. Step 5: Solve for x
    x = 43,302,832,170.06/238,822.29
  6. Step 6: Final answer
    x = 181,318.22

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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.