Home / 135,004.97-186,308.30-74,577.22

Finding the Fourth Proportional to 135,004.97, 186,308.30 and 74,577.22

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Solution

The fourth proportional to 135,004.97, 186,308.30 and 74,577.22 is: 102,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,004.97 : 186,308.30 = 74,577.22 : x
  2. Step 2: Convert to fraction form
    135,004.97/186,308.30 = 74,577.22/x
  3. Step 3: Cross multiply
    135,004.97x = 186,308.30 × 74,577.22
  4. Step 4: Simplify right side
    135,004.97x = 13,894,355,076.93
  5. Step 5: Solve for x
    x = 13,894,355,076.93/135,004.97
  6. Step 6: Final answer
    x = 102,917.36

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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.