Home / 300,928.04-415,270.50-173,600.36

Finding the Fourth Proportional to 300,928.04, 415,270.50 and 173,600.36

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Solution

The fourth proportional to 300,928.04, 415,270.50 and 173,600.36 is: 239,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,928.04 : 415,270.50 = 173,600.36 : x
  2. Step 2: Convert to fraction form
    300,928.04/415,270.50 = 173,600.36/x
  3. Step 3: Cross multiply
    300,928.04x = 415,270.50 × 173,600.36
  4. Step 4: Simplify right side
    300,928.04x = 72,091,108,297.38
  5. Step 5: Solve for x
    x = 72,091,108,297.38/300,928.04
  6. Step 6: Final answer
    x = 239,562.62

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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.