Home / 135,799.45-186,738.55-117,863.22

Finding the Fourth Proportional to 135,799.45, 186,738.55 and 117,863.22

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Solution

The fourth proportional to 135,799.45, 186,738.55 and 117,863.22 is: 162,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,799.45 : 186,738.55 = 117,863.22 : x
  2. Step 2: Convert to fraction form
    135,799.45/186,738.55 = 117,863.22/x
  3. Step 3: Cross multiply
    135,799.45x = 186,738.55 × 117,863.22
  4. Step 4: Simplify right side
    135,799.45x = 22,009,606,801.13
  5. Step 5: Solve for x
    x = 22,009,606,801.13/135,799.45
  6. Step 6: Final answer
    x = 162,074.34

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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.