Home / 190,915.60-263,456.24-106,038.14

Finding the Fourth Proportional to 190,915.60, 263,456.24 and 106,038.14

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Solution

The fourth proportional to 190,915.60, 263,456.24 and 106,038.14 is: 146,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,915.60 : 263,456.24 = 106,038.14 : x
  2. Step 2: Convert to fraction form
    190,915.60/263,456.24 = 106,038.14/x
  3. Step 3: Cross multiply
    190,915.60x = 263,456.24 × 106,038.14
  4. Step 4: Simplify right side
    190,915.60x = 27,936,409,660.99
  5. Step 5: Solve for x
    x = 27,936,409,660.99/190,915.60
  6. Step 6: Final answer
    x = 146,328.59

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1.5x scale

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.