Home / 121,025.46-181,183.31-84,876.62

Finding the Fourth Proportional to 121,025.46, 181,183.31 and 84,876.62

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Solution

The fourth proportional to 121,025.46, 181,183.31 and 84,876.62 is: 127,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,025.46 : 181,183.31 = 84,876.62 : x
  2. Step 2: Convert to fraction form
    121,025.46/181,183.31 = 84,876.62/x
  3. Step 3: Cross multiply
    121,025.46x = 181,183.31 × 84,876.62
  4. Step 4: Simplify right side
    121,025.46x = 15,378,227,314.36
  5. Step 5: Solve for x
    x = 15,378,227,314.36/121,025.46
  6. Step 6: Final answer
    x = 127,066.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.