Home / 198,022.56-273,271.77-107,378.46

Finding the Fourth Proportional to 198,022.56, 273,271.77 and 107,378.46

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Solution

The fourth proportional to 198,022.56, 273,271.77 and 107,378.46 is: 148,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,022.56 : 273,271.77 = 107,378.46 : x
  2. Step 2: Convert to fraction form
    198,022.56/273,271.77 = 107,378.46/x
  3. Step 3: Cross multiply
    198,022.56x = 273,271.77 × 107,378.46
  4. Step 4: Simplify right side
    198,022.56x = 29,343,501,824.07
  5. Step 5: Solve for x
    x = 29,343,501,824.07/198,022.56
  6. Step 6: Final answer
    x = 148,182.62

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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.