Home / 135,025.01-186,338.28-74,599.55

Finding the Fourth Proportional to 135,025.01, 186,338.28 and 74,599.55

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Solution

The fourth proportional to 135,025.01, 186,338.28 and 74,599.55 is: 102,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.01 : 186,338.28 = 74,599.55 : x
  2. Step 2: Convert to fraction form
    135,025.01/186,338.28 = 74,599.55/x
  3. Step 3: Cross multiply
    135,025.01x = 186,338.28 × 74,599.55
  4. Step 4: Simplify right side
    135,025.01x = 13,900,751,556.03
  5. Step 5: Solve for x
    x = 13,900,751,556.03/135,025.01
  6. Step 6: Final answer
    x = 102,949.46

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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.