Home / 141,111.39-194,736.06-77,455.11

Finding the Fourth Proportional to 141,111.39, 194,736.06 and 77,455.11

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Solution

The fourth proportional to 141,111.39, 194,736.06 and 77,455.11 is: 106,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,111.39 : 194,736.06 = 77,455.11 : x
  2. Step 2: Convert to fraction form
    141,111.39/194,736.06 = 77,455.11/x
  3. Step 3: Cross multiply
    141,111.39x = 194,736.06 × 77,455.11
  4. Step 4: Simplify right side
    141,111.39x = 15,083,302,948.27
  5. Step 5: Solve for x
    x = 15,083,302,948.27/141,111.39
  6. Step 6: Final answer
    x = 106,889.34

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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.