Home / 172,916.13-238,623.78-96,435.33

Finding the Fourth Proportional to 172,916.13, 238,623.78 and 96,435.33

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Solution

The fourth proportional to 172,916.13, 238,623.78 and 96,435.33 is: 133,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,916.13 : 238,623.78 = 96,435.33 : x
  2. Step 2: Convert to fraction form
    172,916.13/238,623.78 = 96,435.33/x
  3. Step 3: Cross multiply
    172,916.13x = 238,623.78 × 96,435.33
  4. Step 4: Simplify right side
    172,916.13x = 23,011,762,970.15
  5. Step 5: Solve for x
    x = 23,011,762,970.15/172,916.13
  6. Step 6: Final answer
    x = 133,080.49

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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.