Home / 152,912.21-229,368.31-47,740.19

Finding the Fourth Proportional to 152,912.21, 229,368.31 and 47,740.19

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Solution

The fourth proportional to 152,912.21, 229,368.31 and 47,740.19 is: 71,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,912.21 : 229,368.31 = 47,740.19 : x
  2. Step 2: Convert to fraction form
    152,912.21/229,368.31 = 47,740.19/x
  3. Step 3: Cross multiply
    152,912.21x = 229,368.31 × 47,740.19
  4. Step 4: Simplify right side
    152,912.21x = 10,950,085,433.19
  5. Step 5: Solve for x
    x = 10,950,085,433.19/152,912.21
  6. Step 6: Final answer
    x = 71,610.28

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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.