Home / 492,260.15-738,514.76-137,274.21

Finding the Fourth Proportional to 492,260.15, 738,514.76 and 137,274.21

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Solution

The fourth proportional to 492,260.15, 738,514.76 and 137,274.21 is: 205,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,260.15 : 738,514.76 = 137,274.21 : x
  2. Step 2: Convert to fraction form
    492,260.15/738,514.76 = 137,274.21/x
  3. Step 3: Cross multiply
    492,260.15x = 738,514.76 × 137,274.21
  4. Step 4: Simplify right side
    492,260.15x = 101,379,030,252.34
  5. Step 5: Solve for x
    x = 101,379,030,252.34/492,260.15
  6. Step 6: Final answer
    x = 205,946.04

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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.