Home / 154,516.51-231,878.64-54,676.30

Finding the Fourth Proportional to 154,516.51, 231,878.64 and 54,676.30

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Solution

The fourth proportional to 154,516.51, 231,878.64 and 54,676.30 is: 82,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,516.51 : 231,878.64 = 54,676.30 : x
  2. Step 2: Convert to fraction form
    154,516.51/231,878.64 = 54,676.30/x
  3. Step 3: Cross multiply
    154,516.51x = 231,878.64 × 54,676.30
  4. Step 4: Simplify right side
    154,516.51x = 12,678,266,084.23
  5. Step 5: Solve for x
    x = 12,678,266,084.23/154,516.51
  6. Step 6: Final answer
    x = 82,051.21

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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.