Home / 290,923.48-401,476.89-163,597.96

Finding the Fourth Proportional to 290,923.48, 401,476.89 and 163,597.96

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Solution

The fourth proportional to 290,923.48, 401,476.89 and 163,597.96 is: 225,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,923.48 : 401,476.89 = 163,597.96 : x
  2. Step 2: Convert to fraction form
    290,923.48/401,476.89 = 163,597.96/x
  3. Step 3: Cross multiply
    290,923.48x = 401,476.89 × 163,597.96
  4. Step 4: Simplify right side
    290,923.48x = 65,680,800,191.14
  5. Step 5: Solve for x
    x = 65,680,800,191.14/290,923.48
  6. Step 6: Final answer
    x = 225,766.58

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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.