Home / 135,226.89-186,600.58-74,796.23

Finding the Fourth Proportional to 135,226.89, 186,600.58 and 74,796.23

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Solution

The fourth proportional to 135,226.89, 186,600.58 and 74,796.23 is: 103,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,226.89 : 186,600.58 = 74,796.23 : x
  2. Step 2: Convert to fraction form
    135,226.89/186,600.58 = 74,796.23/x
  3. Step 3: Cross multiply
    135,226.89x = 186,600.58 × 74,796.23
  4. Step 4: Simplify right side
    135,226.89x = 13,957,019,899.81
  5. Step 5: Solve for x
    x = 13,957,019,899.81/135,226.89
  6. Step 6: Final answer
    x = 103,211.87

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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.