Home / 144,431.03-199,311.10-79,898.60

Finding the Fourth Proportional to 144,431.03, 199,311.10 and 79,898.60

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Solution

The fourth proportional to 144,431.03, 199,311.10 and 79,898.60 is: 110,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,431.03 : 199,311.10 = 79,898.60 : x
  2. Step 2: Convert to fraction form
    144,431.03/199,311.10 = 79,898.60/x
  3. Step 3: Cross multiply
    144,431.03x = 199,311.10 × 79,898.60
  4. Step 4: Simplify right side
    144,431.03x = 15,924,678,152.99
  5. Step 5: Solve for x
    x = 15,924,678,152.99/144,431.03
  6. Step 6: Final answer
    x = 110,258.01

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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.