Home / 166,705.48-249,807.50-66,766.60

Finding the Fourth Proportional to 166,705.48, 249,807.50 and 66,766.60

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Solution

The fourth proportional to 166,705.48, 249,807.50 and 66,766.60 is: 100,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,705.48 : 249,807.50 = 66,766.60 : x
  2. Step 2: Convert to fraction form
    166,705.48/249,807.50 = 66,766.60/x
  3. Step 3: Cross multiply
    166,705.48x = 249,807.50 × 66,766.60
  4. Step 4: Simplify right side
    166,705.48x = 16,678,797,429.50
  5. Step 5: Solve for x
    x = 16,678,797,429.50/166,705.48
  6. Step 6: Final answer
    x = 100,049.49

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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.