Home / 198,218.14-273,543.01-107,574.89

Finding the Fourth Proportional to 198,218.14, 273,543.01 and 107,574.89

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Solution

The fourth proportional to 198,218.14, 273,543.01 and 107,574.89 is: 148,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,218.14 : 273,543.01 = 107,574.89 : x
  2. Step 2: Convert to fraction form
    198,218.14/273,543.01 = 107,574.89/x
  3. Step 3: Cross multiply
    198,218.14x = 273,543.01 × 107,574.89
  4. Step 4: Simplify right side
    198,218.14x = 29,426,357,574.37
  5. Step 5: Solve for x
    x = 29,426,357,574.37/198,218.14
  6. Step 6: Final answer
    x = 148,454.41

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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.