Home / 196,140.42-270,678.60-106,716.42

Finding the Fourth Proportional to 196,140.42, 270,678.60 and 106,716.42

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Solution

The fourth proportional to 196,140.42, 270,678.60 and 106,716.42 is: 147,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,140.42 : 270,678.60 = 106,716.42 : x
  2. Step 2: Convert to fraction form
    196,140.42/270,678.60 = 106,716.42/x
  3. Step 3: Cross multiply
    196,140.42x = 270,678.60 × 106,716.42
  4. Step 4: Simplify right side
    196,140.42x = 28,885,851,162.61
  5. Step 5: Solve for x
    x = 28,885,851,162.61/196,140.42
  6. Step 6: Final answer
    x = 147,271.28

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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.