Home / 166,414.40-249,643.20-82,217.60

Finding the Fourth Proportional to 166,414.40, 249,643.20 and 82,217.60

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Solution

The fourth proportional to 166,414.40, 249,643.20 and 82,217.60 is: 123,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,414.40 : 249,643.20 = 82,217.60 : x
  2. Step 2: Convert to fraction form
    166,414.40/249,643.20 = 82,217.60/x
  3. Step 3: Cross multiply
    166,414.40x = 249,643.20 × 82,217.60
  4. Step 4: Simplify right side
    166,414.40x = 20,525,064,760.32
  5. Step 5: Solve for x
    x = 20,525,064,760.32/166,414.40
  6. Step 6: Final answer
    x = 123,337.07

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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.