Home / 196,483.08-294,727.86-71,823

Finding the Fourth Proportional to 196,483.08, 294,727.86 and 71,823

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Solution

The fourth proportional to 196,483.08, 294,727.86 and 71,823 is: 107,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,483.08 : 294,727.86 = 71,823 : x
  2. Step 2: Convert to fraction form
    196,483.08/294,727.86 = 71,823/x
  3. Step 3: Cross multiply
    196,483.08x = 294,727.86 × 71,823
  4. Step 4: Simplify right side
    196,483.08x = 21,168,239,088.78
  5. Step 5: Solve for x
    x = 21,168,239,088.78/196,483.08
  6. Step 6: Final answer
    x = 107,735.68

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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.