Home / 167,376.72-230,979.16-90,895.28

Finding the Fourth Proportional to 167,376.72, 230,979.16 and 90,895.28

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Solution

The fourth proportional to 167,376.72, 230,979.16 and 90,895.28 is: 125,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,376.72 : 230,979.16 = 90,895.28 : x
  2. Step 2: Convert to fraction form
    167,376.72/230,979.16 = 90,895.28/x
  3. Step 3: Cross multiply
    167,376.72x = 230,979.16 × 90,895.28
  4. Step 4: Simplify right side
    167,376.72x = 20,994,915,422.36
  5. Step 5: Solve for x
    x = 20,994,915,422.36/167,376.72
  6. Step 6: Final answer
    x = 125,435.10

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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.