Home / 131,447.36-197,266.08-52,583.60

Finding the Fourth Proportional to 131,447.36, 197,266.08 and 52,583.60

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Solution

The fourth proportional to 131,447.36, 197,266.08 and 52,583.60 is: 78,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,447.36 : 197,266.08 = 52,583.60 : x
  2. Step 2: Convert to fraction form
    131,447.36/197,266.08 = 52,583.60/x
  3. Step 3: Cross multiply
    131,447.36x = 197,266.08 × 52,583.60
  4. Step 4: Simplify right side
    131,447.36x = 10,372,960,644.29
  5. Step 5: Solve for x
    x = 10,372,960,644.29/131,447.36
  6. Step 6: Final answer
    x = 78,913.42

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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.