Home / 198,106.94-273,386.40-107,463.08

Finding the Fourth Proportional to 198,106.94, 273,386.40 and 107,463.08

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Solution

The fourth proportional to 198,106.94, 273,386.40 and 107,463.08 is: 148,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,106.94 : 273,386.40 = 107,463.08 : x
  2. Step 2: Convert to fraction form
    198,106.94/273,386.40 = 107,463.08/x
  3. Step 3: Cross multiply
    198,106.94x = 273,386.40 × 107,463.08
  4. Step 4: Simplify right side
    198,106.94x = 29,378,944,574.11
  5. Step 5: Solve for x
    x = 29,378,944,574.11/198,106.94
  6. Step 6: Final answer
    x = 148,298.41

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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.