Home / 492,161.74-738,304.20-192,603.65

Finding the Fourth Proportional to 492,161.74, 738,304.20 and 192,603.65

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Solution

The fourth proportional to 492,161.74, 738,304.20 and 192,603.65 is: 288,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,161.74 : 738,304.20 = 192,603.65 : x
  2. Step 2: Convert to fraction form
    492,161.74/738,304.20 = 192,603.65/x
  3. Step 3: Cross multiply
    492,161.74x = 738,304.20 × 192,603.65
  4. Step 4: Simplify right side
    492,161.74x = 142,200,080,038.81
  5. Step 5: Solve for x
    x = 142,200,080,038.81/492,161.74
  6. Step 6: Final answer
    x = 288,929.57

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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.