Home / 172,595.00-238,058.40-115,205.38

Finding the Fourth Proportional to 172,595.00, 238,058.40 and 115,205.38

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Solution

The fourth proportional to 172,595.00, 238,058.40 and 115,205.38 is: 158,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,595.00 : 238,058.40 = 115,205.38 : x
  2. Step 2: Convert to fraction form
    172,595.00/238,058.40 = 115,205.38/x
  3. Step 3: Cross multiply
    172,595.00x = 238,058.40 × 115,205.38
  4. Step 4: Simplify right side
    172,595.00x = 27,425,608,434.19
  5. Step 5: Solve for x
    x = 27,425,608,434.19/172,595.00
  6. Step 6: Final answer
    x = 158,901.53

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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.