Home / 192,733.23-289,119.20-66,356.75

Finding the Fourth Proportional to 192,733.23, 289,119.20 and 66,356.75

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Solution

The fourth proportional to 192,733.23, 289,119.20 and 66,356.75 is: 99,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,733.23 : 289,119.20 = 66,356.75 : x
  2. Step 2: Convert to fraction form
    192,733.23/289,119.20 = 66,356.75/x
  3. Step 3: Cross multiply
    192,733.23x = 289,119.20 × 66,356.75
  4. Step 4: Simplify right side
    192,733.23x = 19,185,008,697.22
  5. Step 5: Solve for x
    x = 19,185,008,697.22/192,733.23
  6. Step 6: Final answer
    x = 99,541.78

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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.