Home / 166,289.30-249,620.54-66,519.05

Finding the Fourth Proportional to 166,289.30, 249,620.54 and 66,519.05

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Solution

The fourth proportional to 166,289.30, 249,620.54 and 66,519.05 is: 99,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,289.30 : 249,620.54 = 66,519.05 : x
  2. Step 2: Convert to fraction form
    166,289.30/249,620.54 = 66,519.05/x
  3. Step 3: Cross multiply
    166,289.30x = 249,620.54 × 66,519.05
  4. Step 4: Simplify right side
    166,289.30x = 16,604,520,302.65
  5. Step 5: Solve for x
    x = 16,604,520,302.65/166,289.30
  6. Step 6: Final answer
    x = 99,853.21

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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.