Home / 330,272.71-495,406.41-196,265.50

Finding the Fourth Proportional to 330,272.71, 495,406.41 and 196,265.50

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Solution

The fourth proportional to 330,272.71, 495,406.41 and 196,265.50 is: 294,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,272.71 : 495,406.41 = 196,265.50 : x
  2. Step 2: Convert to fraction form
    330,272.71/495,406.41 = 196,265.50/x
  3. Step 3: Cross multiply
    330,272.71x = 495,406.41 × 196,265.50
  4. Step 4: Simplify right side
    330,272.71x = 97,231,184,284.82
  5. Step 5: Solve for x
    x = 97,231,184,284.82/330,272.71
  6. Step 6: Final answer
    x = 294,396.67

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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.