Home / 135,197.08-186,570.88-74,770.27

Finding the Fourth Proportional to 135,197.08, 186,570.88 and 74,770.27

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Solution

The fourth proportional to 135,197.08, 186,570.88 and 74,770.27 is: 103,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,197.08 : 186,570.88 = 74,770.27 : x
  2. Step 2: Convert to fraction form
    135,197.08/186,570.88 = 74,770.27/x
  3. Step 3: Cross multiply
    135,197.08x = 186,570.88 × 74,770.27
  4. Step 4: Simplify right side
    135,197.08x = 13,949,954,418.38
  5. Step 5: Solve for x
    x = 13,949,954,418.38/135,197.08
  6. Step 6: Final answer
    x = 103,182.37

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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.