Home / 300,816.24-415,143-166,677.36

Finding the Fourth Proportional to 300,816.24, 415,143 and 166,677.36

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Solution

The fourth proportional to 300,816.24, 415,143 and 166,677.36 is: 230,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,816.24 : 415,143 = 166,677.36 : x
  2. Step 2: Convert to fraction form
    300,816.24/415,143 = 166,677.36/x
  3. Step 3: Cross multiply
    300,816.24x = 415,143 × 166,677.36
  4. Step 4: Simplify right side
    300,816.24x = 69,194,939,262.48
  5. Step 5: Solve for x
    x = 69,194,939,262.48/300,816.24
  6. Step 6: Final answer
    x = 230,023.95

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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.