Home / 166,337.28-249,514.88-66,512.64

Finding the Fourth Proportional to 166,337.28, 249,514.88 and 66,512.64

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Solution

The fourth proportional to 166,337.28, 249,514.88 and 66,512.64 is: 99,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,337.28 : 249,514.88 = 66,512.64 : x
  2. Step 2: Convert to fraction form
    166,337.28/249,514.88 = 66,512.64/x
  3. Step 3: Cross multiply
    166,337.28x = 249,514.88 × 66,512.64
  4. Step 4: Simplify right side
    166,337.28x = 16,595,893,388.08
  5. Step 5: Solve for x
    x = 16,595,893,388.08/166,337.28
  6. Step 6: Final answer
    x = 99,772.54

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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.