Home / 201,623.20-302,434.80-154,967.20

Finding the Fourth Proportional to 201,623.20, 302,434.80 and 154,967.20

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Solution

The fourth proportional to 201,623.20, 302,434.80 and 154,967.20 is: 232,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,623.20 : 302,434.80 = 154,967.20 : x
  2. Step 2: Convert to fraction form
    201,623.20/302,434.80 = 154,967.20/x
  3. Step 3: Cross multiply
    201,623.20x = 302,434.80 × 154,967.20
  4. Step 4: Simplify right side
    201,623.20x = 46,867,474,138.56
  5. Step 5: Solve for x
    x = 46,867,474,138.56/201,623.20
  6. Step 6: Final answer
    x = 232,450.80

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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.