Home / 141,072.72-194,686.44-84,473.28

Finding the Fourth Proportional to 141,072.72, 194,686.44 and 84,473.28

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Solution

The fourth proportional to 141,072.72, 194,686.44 and 84,473.28 is: 116,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,072.72 : 194,686.44 = 84,473.28 : x
  2. Step 2: Convert to fraction form
    141,072.72/194,686.44 = 84,473.28/x
  3. Step 3: Cross multiply
    141,072.72x = 194,686.44 × 84,473.28
  4. Step 4: Simplify right side
    141,072.72x = 16,445,802,158.32
  5. Step 5: Solve for x
    x = 16,445,802,158.32/141,072.72
  6. Step 6: Final answer
    x = 116,576.77

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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.