Home / 208,036.41-312,067.58-83,361.21

Finding the Fourth Proportional to 208,036.41, 312,067.58 and 83,361.21

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Solution

The fourth proportional to 208,036.41, 312,067.58 and 83,361.21 is: 125,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,036.41 : 312,067.58 = 83,361.21 : x
  2. Step 2: Convert to fraction form
    208,036.41/312,067.58 = 83,361.21/x
  3. Step 3: Cross multiply
    208,036.41x = 312,067.58 × 83,361.21
  4. Step 4: Simplify right side
    208,036.41x = 26,014,330,653.77
  5. Step 5: Solve for x
    x = 26,014,330,653.77/208,036.41
  6. Step 6: Final answer
    x = 125,047.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.