Home / 612,824.82-919,384.85-192,100.69

Finding the Fourth Proportional to 612,824.82, 919,384.85 and 192,100.69

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Solution

The fourth proportional to 612,824.82, 919,384.85 and 192,100.69 is: 288,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,824.82 : 919,384.85 = 192,100.69 : x
  2. Step 2: Convert to fraction form
    612,824.82/919,384.85 = 192,100.69/x
  3. Step 3: Cross multiply
    612,824.82x = 919,384.85 × 192,100.69
  4. Step 4: Simplify right side
    612,824.82x = 176,614,464,060.55
  5. Step 5: Solve for x
    x = 176,614,464,060.55/612,824.82
  6. Step 6: Final answer
    x = 288,197.31

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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.