Home / 135,250.88-186,636.16-74,822.24

Finding the Fourth Proportional to 135,250.88, 186,636.16 and 74,822.24

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Solution

The fourth proportional to 135,250.88, 186,636.16 and 74,822.24 is: 103,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,250.88 : 186,636.16 = 74,822.24 : x
  2. Step 2: Convert to fraction form
    135,250.88/186,636.16 = 74,822.24/x
  3. Step 3: Cross multiply
    135,250.88x = 186,636.16 × 74,822.24
  4. Step 4: Simplify right side
    135,250.88x = 13,964,535,556.20
  5. Step 5: Solve for x
    x = 13,964,535,556.20/135,250.88
  6. Step 6: Final answer
    x = 103,249.13

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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.