Home / 166,256.20-249,416.70-66,399.40

Finding the Fourth Proportional to 166,256.20, 249,416.70 and 66,399.40

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Solution

The fourth proportional to 166,256.20, 249,416.70 and 66,399.40 is: 99,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,256.20 : 249,416.70 = 66,399.40 : x
  2. Step 2: Convert to fraction form
    166,256.20/249,416.70 = 66,399.40/x
  3. Step 3: Cross multiply
    166,256.20x = 249,416.70 × 66,399.40
  4. Step 4: Simplify right side
    166,256.20x = 16,561,119,229.98
  5. Step 5: Solve for x
    x = 16,561,119,229.98/166,256.20
  6. Step 6: Final answer
    x = 99,612.04

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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.