Home / 215,083.40-322,556.02-70,956.81

Finding the Fourth Proportional to 215,083.40, 322,556.02 and 70,956.81

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Solution

The fourth proportional to 215,083.40, 322,556.02 and 70,956.81 is: 106,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,083.40 : 322,556.02 = 70,956.81 : x
  2. Step 2: Convert to fraction form
    215,083.40/322,556.02 = 70,956.81/x
  3. Step 3: Cross multiply
    215,083.40x = 322,556.02 × 70,956.81
  4. Step 4: Simplify right side
    215,083.40x = 22,887,546,447.24
  5. Step 5: Solve for x
    x = 22,887,546,447.24/215,083.40
  6. Step 6: Final answer
    x = 106,412.43

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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.