Home / 192,058.08-265,153.68-138,481.44

Finding the Fourth Proportional to 192,058.08, 265,153.68 and 138,481.44

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Solution

The fourth proportional to 192,058.08, 265,153.68 and 138,481.44 is: 191,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,058.08 : 265,153.68 = 138,481.44 : x
  2. Step 2: Convert to fraction form
    192,058.08/265,153.68 = 138,481.44/x
  3. Step 3: Cross multiply
    192,058.08x = 265,153.68 × 138,481.44
  4. Step 4: Simplify right side
    192,058.08x = 36,718,863,427.70
  5. Step 5: Solve for x
    x = 36,718,863,427.70/192,058.08
  6. Step 6: Final answer
    x = 191,186.25

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1.5x scale

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.