Home / 196,764.48-294,971.40-72,076.32

Finding the Fourth Proportional to 196,764.48, 294,971.40 and 72,076.32

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Solution

The fourth proportional to 196,764.48, 294,971.40 and 72,076.32 is: 108,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,764.48 : 294,971.40 = 72,076.32 : x
  2. Step 2: Convert to fraction form
    196,764.48/294,971.40 = 72,076.32/x
  3. Step 3: Cross multiply
    196,764.48x = 294,971.40 × 72,076.32
  4. Step 4: Simplify right side
    196,764.48x = 21,260,453,017.25
  5. Step 5: Solve for x
    x = 21,260,453,017.25/196,764.48
  6. Step 6: Final answer
    x = 108,050.26

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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.