Home / 212,845.02-293,186.07-162,456.54

Finding the Fourth Proportional to 212,845.02, 293,186.07 and 162,456.54

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Solution

The fourth proportional to 212,845.02, 293,186.07 and 162,456.54 is: 223,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,845.02 : 293,186.07 = 162,456.54 : x
  2. Step 2: Convert to fraction form
    212,845.02/293,186.07 = 162,456.54/x
  3. Step 3: Cross multiply
    212,845.02x = 293,186.07 × 162,456.54
  4. Step 4: Simplify right side
    212,845.02x = 47,629,994,508.40
  5. Step 5: Solve for x
    x = 47,629,994,508.40/212,845.02
  6. Step 6: Final answer
    x = 223,777.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.