Home / 286,384.15-395,199.23-159,067.93

Finding the Fourth Proportional to 286,384.15, 395,199.23 and 159,067.93

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Solution

The fourth proportional to 286,384.15, 395,199.23 and 159,067.93 is: 219,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,384.15 : 395,199.23 = 159,067.93 : x
  2. Step 2: Convert to fraction form
    286,384.15/395,199.23 = 159,067.93/x
  3. Step 3: Cross multiply
    286,384.15x = 395,199.23 × 159,067.93
  4. Step 4: Simplify right side
    286,384.15x = 62,863,522,658.35
  5. Step 5: Solve for x
    x = 62,863,522,658.35/286,384.15
  6. Step 6: Final answer
    x = 219,507.69

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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.