Home / 134,936.82-186,213.60-74,506.32

Finding the Fourth Proportional to 134,936.82, 186,213.60 and 74,506.32

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Solution

The fourth proportional to 134,936.82, 186,213.60 and 74,506.32 is: 102,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,936.82 : 186,213.60 = 74,506.32 : x
  2. Step 2: Convert to fraction form
    134,936.82/186,213.60 = 74,506.32/x
  3. Step 3: Cross multiply
    134,936.82x = 186,213.60 × 74,506.32
  4. Step 4: Simplify right side
    134,936.82x = 13,874,090,069.95
  5. Step 5: Solve for x
    x = 13,874,090,069.95/134,936.82
  6. Step 6: Final answer
    x = 102,819.16

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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.