Home / 329,640.03-454,912.20-186,421.50

Finding the Fourth Proportional to 329,640.03, 454,912.20 and 186,421.50

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Solution

The fourth proportional to 329,640.03, 454,912.20 and 186,421.50 is: 257,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,640.03 : 454,912.20 = 186,421.50 : x
  2. Step 2: Convert to fraction form
    329,640.03/454,912.20 = 186,421.50/x
  3. Step 3: Cross multiply
    329,640.03x = 454,912.20 × 186,421.50
  4. Step 4: Simplify right side
    329,640.03x = 84,805,414,692.30
  5. Step 5: Solve for x
    x = 84,805,414,692.30/329,640.03
  6. Step 6: Final answer
    x = 257,266.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.