Home / 211,183.69-291,433.49-126,300.75

Finding the Fourth Proportional to 211,183.69, 291,433.49 and 126,300.75

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Solution

The fourth proportional to 211,183.69, 291,433.49 and 126,300.75 is: 174,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,183.69 : 291,433.49 = 126,300.75 : x
  2. Step 2: Convert to fraction form
    211,183.69/291,433.49 = 126,300.75/x
  3. Step 3: Cross multiply
    211,183.69x = 291,433.49 × 126,300.75
  4. Step 4: Simplify right side
    211,183.69x = 36,808,268,362.12
  5. Step 5: Solve for x
    x = 36,808,268,362.12/211,183.69
  6. Step 6: Final answer
    x = 174,295.03

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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.