Home / 141,111.01-194,732.91-77,447.44

Finding the Fourth Proportional to 141,111.01, 194,732.91 and 77,447.44

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Solution

The fourth proportional to 141,111.01, 194,732.91 and 77,447.44 is: 106,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,111.01 : 194,732.91 = 77,447.44 : x
  2. Step 2: Convert to fraction form
    141,111.01/194,732.91 = 77,447.44/x
  3. Step 3: Cross multiply
    141,111.01x = 194,732.91 × 77,447.44
  4. Step 4: Simplify right side
    141,111.01x = 15,081,565,606.67
  5. Step 5: Solve for x
    x = 15,081,565,606.67/141,111.01
  6. Step 6: Final answer
    x = 106,877.31

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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.