Home / 196,369.48-294,466.74-71,623

Finding the Fourth Proportional to 196,369.48, 294,466.74 and 71,623

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Solution

The fourth proportional to 196,369.48, 294,466.74 and 71,623 is: 107,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,369.48 : 294,466.74 = 71,623 : x
  2. Step 2: Convert to fraction form
    196,369.48/294,466.74 = 71,623/x
  3. Step 3: Cross multiply
    196,369.48x = 294,466.74 × 71,623
  4. Step 4: Simplify right side
    196,369.48x = 21,090,591,319.02
  5. Step 5: Solve for x
    x = 21,090,591,319.02/196,369.48
  6. Step 6: Final answer
    x = 107,402.59

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1.5x scale

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.