Home / 492,022.90-738,034.35-137,091.70

Finding the Fourth Proportional to 492,022.90, 738,034.35 and 137,091.70

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Solution

The fourth proportional to 492,022.90, 738,034.35 and 137,091.70 is: 205,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,022.90 : 738,034.35 = 137,091.70 : x
  2. Step 2: Convert to fraction form
    492,022.90/738,034.35 = 137,091.70/x
  3. Step 3: Cross multiply
    492,022.90x = 738,034.35 × 137,091.70
  4. Step 4: Simplify right side
    492,022.90x = 101,178,383,699.90
  5. Step 5: Solve for x
    x = 101,178,383,699.90/492,022.90
  6. Step 6: Final answer
    x = 205,637.55

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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.