Home / 194,825.20-292,237.80-111,881.20

Finding the Fourth Proportional to 194,825.20, 292,237.80 and 111,881.20

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Solution

The fourth proportional to 194,825.20, 292,237.80 and 111,881.20 is: 167,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,825.20 : 292,237.80 = 111,881.20 : x
  2. Step 2: Convert to fraction form
    194,825.20/292,237.80 = 111,881.20/x
  3. Step 3: Cross multiply
    194,825.20x = 292,237.80 × 111,881.20
  4. Step 4: Simplify right side
    194,825.20x = 32,695,915,749.36
  5. Step 5: Solve for x
    x = 32,695,915,749.36/194,825.20
  6. Step 6: Final answer
    x = 167,821.80

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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.