Home / 612,785.82-919,178.73-192,094.50

Finding the Fourth Proportional to 612,785.82, 919,178.73 and 192,094.50

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Solution

The fourth proportional to 612,785.82, 919,178.73 and 192,094.50 is: 288,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,785.82 : 919,178.73 = 192,094.50 : x
  2. Step 2: Convert to fraction form
    612,785.82/919,178.73 = 192,094.50/x
  3. Step 3: Cross multiply
    612,785.82x = 919,178.73 × 192,094.50
  4. Step 4: Simplify right side
    612,785.82x = 176,569,178,549.99
  5. Step 5: Solve for x
    x = 176,569,178,549.99/612,785.82
  6. Step 6: Final answer
    x = 288,141.75

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Similar ratio
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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.