Home / 612,811.26-919,364.54-192,087.14

Finding the Fourth Proportional to 612,811.26, 919,364.54 and 192,087.14

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Solution

The fourth proportional to 612,811.26, 919,364.54 and 192,087.14 is: 288,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,811.26 : 919,364.54 = 192,087.14 : x
  2. Step 2: Convert to fraction form
    612,811.26/919,364.54 = 192,087.14/x
  3. Step 3: Cross multiply
    612,811.26x = 919,364.54 × 192,087.14
  4. Step 4: Simplify right side
    612,811.26x = 176,598,099,548.76
  5. Step 5: Solve for x
    x = 176,598,099,548.76/612,811.26
  6. Step 6: Final answer
    x = 288,176.98

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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.