Home / 203,145.57-302,573.48-192,476.66

Finding the Fourth Proportional to 203,145.57, 302,573.48 and 192,476.66

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Solution

The fourth proportional to 203,145.57, 302,573.48 and 192,476.66 is: 286,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,145.57 : 302,573.48 = 192,476.66 : x
  2. Step 2: Convert to fraction form
    203,145.57/302,573.48 = 192,476.66/x
  3. Step 3: Cross multiply
    203,145.57x = 302,573.48 × 192,476.66
  4. Step 4: Simplify right side
    203,145.57x = 58,238,330,359.73
  5. Step 5: Solve for x
    x = 58,238,330,359.73/203,145.57
  6. Step 6: Final answer
    x = 286,682.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.