Home / 190,915.20-286,372.80-106,588.80

Finding the Fourth Proportional to 190,915.20, 286,372.80 and 106,588.80

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Solution

The fourth proportional to 190,915.20, 286,372.80 and 106,588.80 is: 159,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,915.20 : 286,372.80 = 106,588.80 : x
  2. Step 2: Convert to fraction form
    190,915.20/286,372.80 = 106,588.80/x
  3. Step 3: Cross multiply
    190,915.20x = 286,372.80 × 106,588.80
  4. Step 4: Simplify right side
    190,915.20x = 30,524,133,104.64
  5. Step 5: Solve for x
    x = 30,524,133,104.64/190,915.20
  6. Step 6: Final answer
    x = 159,883.20

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1.5x scale

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.