Home / 172,789.36-238,448.26-97,362.16

Finding the Fourth Proportional to 172,789.36, 238,448.26 and 97,362.16

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Solution

The fourth proportional to 172,789.36, 238,448.26 and 97,362.16 is: 134,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,789.36 : 238,448.26 = 97,362.16 : x
  2. Step 2: Convert to fraction form
    172,789.36/238,448.26 = 97,362.16/x
  3. Step 3: Cross multiply
    172,789.36x = 238,448.26 × 97,362.16
  4. Step 4: Simplify right side
    172,789.36x = 23,215,837,641.84
  5. Step 5: Solve for x
    x = 23,215,837,641.84/172,789.36
  6. Step 6: Final answer
    x = 134,359.19

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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.