Home / 166,041.30-249,181.65-66,143.73

Finding the Fourth Proportional to 166,041.30, 249,181.65 and 66,143.73

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Solution

The fourth proportional to 166,041.30, 249,181.65 and 66,143.73 is: 99,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,041.30 : 249,181.65 = 66,143.73 : x
  2. Step 2: Convert to fraction form
    166,041.30/249,181.65 = 66,143.73/x
  3. Step 3: Cross multiply
    166,041.30x = 249,181.65 × 66,143.73
  4. Step 4: Simplify right side
    166,041.30x = 16,481,803,778.55
  5. Step 5: Solve for x
    x = 16,481,803,778.55/166,041.30
  6. Step 6: Final answer
    x = 99,263.28

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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.