Home / 286,577.82-395,277.18-243,258.56

Finding the Fourth Proportional to 286,577.82, 395,277.18 and 243,258.56

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Solution

The fourth proportional to 286,577.82, 395,277.18 and 243,258.56 is: 335,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,577.82 : 395,277.18 = 243,258.56 : x
  2. Step 2: Convert to fraction form
    286,577.82/395,277.18 = 243,258.56/x
  3. Step 3: Cross multiply
    286,577.82x = 395,277.18 × 243,258.56
  4. Step 4: Simplify right side
    286,577.82x = 96,154,557,665.90
  5. Step 5: Solve for x
    x = 96,154,557,665.90/286,577.82
  6. Step 6: Final answer
    x = 335,526.87

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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.