Home / 141,540.50-212,004.56-66,548.27

Finding the Fourth Proportional to 141,540.50, 212,004.56 and 66,548.27

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Solution

The fourth proportional to 141,540.50, 212,004.56 and 66,548.27 is: 99,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,540.50 : 212,004.56 = 66,548.27 : x
  2. Step 2: Convert to fraction form
    141,540.50/212,004.56 = 66,548.27/x
  3. Step 3: Cross multiply
    141,540.50x = 212,004.56 × 66,548.27
  4. Step 4: Simplify right side
    141,540.50x = 14,108,535,307.35
  5. Step 5: Solve for x
    x = 14,108,535,307.35/141,540.50
  6. Step 6: Final answer
    x = 99,678.44

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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.