Home / 300,914.40-415,073.04-193,623.84

Finding the Fourth Proportional to 300,914.40, 415,073.04 and 193,623.84

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Solution

The fourth proportional to 300,914.40, 415,073.04 and 193,623.84 is: 267,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,914.40 : 415,073.04 = 193,623.84 : x
  2. Step 2: Convert to fraction form
    300,914.40/415,073.04 = 193,623.84/x
  3. Step 3: Cross multiply
    300,914.40x = 415,073.04 × 193,623.84
  4. Step 4: Simplify right side
    300,914.40x = 80,368,035,885.27
  5. Step 5: Solve for x
    x = 80,368,035,885.27/300,914.40
  6. Step 6: Final answer
    x = 267,079.39

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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.