Home / 140,627.53-194,066.31-76,969.42

Finding the Fourth Proportional to 140,627.53, 194,066.31 and 76,969.42

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Solution

The fourth proportional to 140,627.53, 194,066.31 and 76,969.42 is: 106,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,627.53 : 194,066.31 = 76,969.42 : x
  2. Step 2: Convert to fraction form
    140,627.53/194,066.31 = 76,969.42/x
  3. Step 3: Cross multiply
    140,627.53x = 194,066.31 × 76,969.42
  4. Step 4: Simplify right side
    140,627.53x = 14,937,171,322.24
  5. Step 5: Solve for x
    x = 14,937,171,322.24/140,627.53
  6. Step 6: Final answer
    x = 106,217.97

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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.