Home / 199,332.26-298,998.40-81,012.84

Finding the Fourth Proportional to 199,332.26, 298,998.40 and 81,012.84

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Solution

The fourth proportional to 199,332.26, 298,998.40 and 81,012.84 is: 121,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,332.26 : 298,998.40 = 81,012.84 : x
  2. Step 2: Convert to fraction form
    199,332.26/298,998.40 = 81,012.84/x
  3. Step 3: Cross multiply
    199,332.26x = 298,998.40 × 81,012.84
  4. Step 4: Simplify right side
    199,332.26x = 24,222,709,539.46
  5. Step 5: Solve for x
    x = 24,222,709,539.46/199,332.26
  6. Step 6: Final answer
    x = 121,519.26

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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.