Home / 194,036.51-291,103.22-67,678.57

Finding the Fourth Proportional to 194,036.51, 291,103.22 and 67,678.57

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Solution

The fourth proportional to 194,036.51, 291,103.22 and 67,678.57 is: 101,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,036.51 : 291,103.22 = 67,678.57 : x
  2. Step 2: Convert to fraction form
    194,036.51/291,103.22 = 67,678.57/x
  3. Step 3: Cross multiply
    194,036.51x = 291,103.22 × 67,678.57
  4. Step 4: Simplify right side
    194,036.51x = 19,701,449,804.38
  5. Step 5: Solve for x
    x = 19,701,449,804.38/194,036.51
  6. Step 6: Final answer
    x = 101,534.76

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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.