Home / 171,578.72-236,482.92-114,115.28

Finding the Fourth Proportional to 171,578.72, 236,482.92 and 114,115.28

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Solution

The fourth proportional to 171,578.72, 236,482.92 and 114,115.28 is: 157,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,578.72 : 236,482.92 = 114,115.28 : x
  2. Step 2: Convert to fraction form
    171,578.72/236,482.92 = 114,115.28/x
  3. Step 3: Cross multiply
    171,578.72x = 236,482.92 × 114,115.28
  4. Step 4: Simplify right side
    171,578.72x = 26,986,314,631.02
  5. Step 5: Solve for x
    x = 26,986,314,631.02/171,578.72
  6. Step 6: Final answer
    x = 157,282.41

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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.