Home / 434,556.90-652,163.40-164,921.67

Finding the Fourth Proportional to 434,556.90, 652,163.40 and 164,921.67

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Solution

The fourth proportional to 434,556.90, 652,163.40 and 164,921.67 is: 247,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,556.90 : 652,163.40 = 164,921.67 : x
  2. Step 2: Convert to fraction form
    434,556.90/652,163.40 = 164,921.67/x
  3. Step 3: Cross multiply
    434,556.90x = 652,163.40 × 164,921.67
  4. Step 4: Simplify right side
    434,556.90x = 107,555,877,040.88
  5. Step 5: Solve for x
    x = 107,555,877,040.88/434,556.90
  6. Step 6: Final answer
    x = 247,507.01

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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.