Home / 294,119.40-405,873.06-159,983.72

Finding the Fourth Proportional to 294,119.40, 405,873.06 and 159,983.72

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Solution

The fourth proportional to 294,119.40, 405,873.06 and 159,983.72 is: 220,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,119.40 : 405,873.06 = 159,983.72 : x
  2. Step 2: Convert to fraction form
    294,119.40/405,873.06 = 159,983.72/x
  3. Step 3: Cross multiply
    294,119.40x = 405,873.06 × 159,983.72
  4. Step 4: Simplify right side
    294,119.40x = 64,933,081,986.58
  5. Step 5: Solve for x
    x = 64,933,081,986.58/294,119.40
  6. Step 6: Final answer
    x = 220,771.16

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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.