Home / 166,090.80-249,136.20-91,441.20

Finding the Fourth Proportional to 166,090.80, 249,136.20 and 91,441.20

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Solution

The fourth proportional to 166,090.80, 249,136.20 and 91,441.20 is: 137,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,090.80 : 249,136.20 = 91,441.20 : x
  2. Step 2: Convert to fraction form
    166,090.80/249,136.20 = 91,441.20/x
  3. Step 3: Cross multiply
    166,090.80x = 249,136.20 × 91,441.20
  4. Step 4: Simplify right side
    166,090.80x = 22,781,313,091.44
  5. Step 5: Solve for x
    x = 22,781,313,091.44/166,090.80
  6. Step 6: Final answer
    x = 137,161.80

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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.