Home / 130,967.45-196,487.44-52,137.03

Finding the Fourth Proportional to 130,967.45, 196,487.44 and 52,137.03

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Solution

The fourth proportional to 130,967.45, 196,487.44 and 52,137.03 is: 78,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,967.45 : 196,487.44 = 52,137.03 : x
  2. Step 2: Convert to fraction form
    130,967.45/196,487.44 = 52,137.03/x
  3. Step 3: Cross multiply
    130,967.45x = 196,487.44 × 52,137.03
  4. Step 4: Simplify right side
    130,967.45x = 10,244,272,160.39
  5. Step 5: Solve for x
    x = 10,244,272,160.39/130,967.45
  6. Step 6: Final answer
    x = 78,219.99

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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.