Home / 198,292.37-273,644.21-107,648.51

Finding the Fourth Proportional to 198,292.37, 273,644.21 and 107,648.51

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Solution

The fourth proportional to 198,292.37, 273,644.21 and 107,648.51 is: 148,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,292.37 : 273,644.21 = 107,648.51 : x
  2. Step 2: Convert to fraction form
    198,292.37/273,644.21 = 107,648.51/x
  3. Step 3: Cross multiply
    198,292.37x = 273,644.21 × 107,648.51
  4. Step 4: Simplify right side
    198,292.37x = 29,457,390,938.38
  5. Step 5: Solve for x
    x = 29,457,390,938.38/198,292.37
  6. Step 6: Final answer
    x = 148,555.34

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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.