Home / 253,890.90-350,406.74-146,439.95

Finding the Fourth Proportional to 253,890.90, 350,406.74 and 146,439.95

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Solution

The fourth proportional to 253,890.90, 350,406.74 and 146,439.95 is: 202,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,890.90 : 350,406.74 = 146,439.95 : x
  2. Step 2: Convert to fraction form
    253,890.90/350,406.74 = 146,439.95/x
  3. Step 3: Cross multiply
    253,890.90x = 350,406.74 × 146,439.95
  4. Step 4: Simplify right side
    253,890.90x = 51,313,544,099.33
  5. Step 5: Solve for x
    x = 51,313,544,099.33/253,890.90
  6. Step 6: Final answer
    x = 202,108.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.