Home / 198,220.19-273,544-107,576.13

Finding the Fourth Proportional to 198,220.19, 273,544 and 107,576.13

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Solution

The fourth proportional to 198,220.19, 273,544 and 107,576.13 is: 148,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.19 : 273,544 = 107,576.13 : x
  2. Step 2: Convert to fraction form
    198,220.19/273,544 = 107,576.13/x
  3. Step 3: Cross multiply
    198,220.19x = 273,544 × 107,576.13
  4. Step 4: Simplify right side
    198,220.19x = 29,426,804,904.72
  5. Step 5: Solve for x
    x = 29,426,804,904.72/198,220.19
  6. Step 6: Final answer
    x = 148,455.14

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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.