Home / 166,629.80-249,750.30-66,740.60

Finding the Fourth Proportional to 166,629.80, 249,750.30 and 66,740.60

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Solution

The fourth proportional to 166,629.80, 249,750.30 and 66,740.60 is: 100,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,629.80 : 249,750.30 = 66,740.60 : x
  2. Step 2: Convert to fraction form
    166,629.80/249,750.30 = 66,740.60/x
  3. Step 3: Cross multiply
    166,629.80x = 249,750.30 × 66,740.60
  4. Step 4: Simplify right side
    166,629.80x = 16,668,484,872.18
  5. Step 5: Solve for x
    x = 16,668,484,872.18/166,629.80
  6. Step 6: Final answer
    x = 100,033.04

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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.