Home / 134,181.23-185,171.54-72,927.42

Finding the Fourth Proportional to 134,181.23, 185,171.54 and 72,927.42

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Solution

The fourth proportional to 134,181.23, 185,171.54 and 72,927.42 is: 100,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,181.23 : 185,171.54 = 72,927.42 : x
  2. Step 2: Convert to fraction form
    134,181.23/185,171.54 = 72,927.42/x
  3. Step 3: Cross multiply
    134,181.23x = 185,171.54 × 72,927.42
  4. Step 4: Simplify right side
    134,181.23x = 13,504,082,304.99
  5. Step 5: Solve for x
    x = 13,504,082,304.99/134,181.23
  6. Step 6: Final answer
    x = 100,640.62

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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.