Home / 291,084.20-401,667.62-163,757.06

Finding the Fourth Proportional to 291,084.20, 401,667.62 and 163,757.06

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Solution

The fourth proportional to 291,084.20, 401,667.62 and 163,757.06 is: 225,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,084.20 : 401,667.62 = 163,757.06 : x
  2. Step 2: Convert to fraction form
    291,084.20/401,667.62 = 163,757.06/x
  3. Step 3: Cross multiply
    291,084.20x = 401,667.62 × 163,757.06
  4. Step 4: Simplify right side
    291,084.20x = 65,775,908,548.40
  5. Step 5: Solve for x
    x = 65,775,908,548.40/291,084.20
  6. Step 6: Final answer
    x = 225,968.67

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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.