Home / 286,132.08-394,848.18-157,067.40

Finding the Fourth Proportional to 286,132.08, 394,848.18 and 157,067.40

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Solution

The fourth proportional to 286,132.08, 394,848.18 and 157,067.40 is: 216,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,132.08 : 394,848.18 = 157,067.40 : x
  2. Step 2: Convert to fraction form
    286,132.08/394,848.18 = 157,067.40/x
  3. Step 3: Cross multiply
    286,132.08x = 394,848.18 × 157,067.40
  4. Step 4: Simplify right side
    286,132.08x = 62,017,777,027.33
  5. Step 5: Solve for x
    x = 62,017,777,027.33/286,132.08
  6. Step 6: Final answer
    x = 216,745.28

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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.