Home / 166,163.70-249,075.45-81,794.10

Finding the Fourth Proportional to 166,163.70, 249,075.45 and 81,794.10

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Solution

The fourth proportional to 166,163.70, 249,075.45 and 81,794.10 is: 122,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,163.70 : 249,075.45 = 81,794.10 : x
  2. Step 2: Convert to fraction form
    166,163.70/249,075.45 = 81,794.10/x
  3. Step 3: Cross multiply
    166,163.70x = 249,075.45 × 81,794.10
  4. Step 4: Simplify right side
    166,163.70x = 20,372,902,264.85
  5. Step 5: Solve for x
    x = 20,372,902,264.85/166,163.70
  6. Step 6: Final answer
    x = 122,607.42

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1.5x scale

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.