Home / 196,109.55-294,129-52,016.40

Finding the Fourth Proportional to 196,109.55, 294,129 and 52,016.40

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Solution

The fourth proportional to 196,109.55, 294,129 and 52,016.40 is: 78,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,109.55 : 294,129 = 52,016.40 : x
  2. Step 2: Convert to fraction form
    196,109.55/294,129 = 52,016.40/x
  3. Step 3: Cross multiply
    196,109.55x = 294,129 × 52,016.40
  4. Step 4: Simplify right side
    196,109.55x = 15,299,531,715.60
  5. Step 5: Solve for x
    x = 15,299,531,715.60/196,109.55
  6. Step 6: Final answer
    x = 78,015.23

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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.