Home / 300,892.23-451,368.32-111,403.26

Finding the Fourth Proportional to 300,892.23, 451,368.32 and 111,403.26

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Solution

The fourth proportional to 300,892.23, 451,368.32 and 111,403.26 is: 167,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,892.23 : 451,368.32 = 111,403.26 : x
  2. Step 2: Convert to fraction form
    300,892.23/451,368.32 = 111,403.26/x
  3. Step 3: Cross multiply
    300,892.23x = 451,368.32 × 111,403.26
  4. Step 4: Simplify right side
    300,892.23x = 50,283,901,751.71
  5. Step 5: Solve for x
    x = 50,283,901,751.71/300,892.23
  6. Step 6: Final answer
    x = 167,115.99

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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.