Home / 82,186.30-113,420.31-48,190.06

Finding the Fourth Proportional to 82,186.30, 113,420.31 and 48,190.06

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Solution

The fourth proportional to 82,186.30, 113,420.31 and 48,190.06 is: 66,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,186.30 : 113,420.31 = 48,190.06 : x
  2. Step 2: Convert to fraction form
    82,186.30/113,420.31 = 48,190.06/x
  3. Step 3: Cross multiply
    82,186.30x = 113,420.31 × 48,190.06
  4. Step 4: Simplify right side
    82,186.30x = 5,465,731,544.12
  5. Step 5: Solve for x
    x = 5,465,731,544.12/82,186.30
  6. Step 6: Final answer
    x = 66,504.17

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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.