Home / 216,922.08-299,198.16-199,074.72

Finding the Fourth Proportional to 216,922.08, 299,198.16 and 199,074.72

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Solution

The fourth proportional to 216,922.08, 299,198.16 and 199,074.72 is: 274,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,922.08 : 299,198.16 = 199,074.72 : x
  2. Step 2: Convert to fraction form
    216,922.08/299,198.16 = 199,074.72/x
  3. Step 3: Cross multiply
    216,922.08x = 299,198.16 × 199,074.72
  4. Step 4: Simplify right side
    216,922.08x = 59,562,789,926.52
  5. Step 5: Solve for x
    x = 59,562,789,926.52/216,922.08
  6. Step 6: Final answer
    x = 274,581.50

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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.