Home / 150,554.90-207,832.43-105,410.36

Finding the Fourth Proportional to 150,554.90, 207,832.43 and 105,410.36

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Solution

The fourth proportional to 150,554.90, 207,832.43 and 105,410.36 is: 145,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,554.90 : 207,832.43 = 105,410.36 : x
  2. Step 2: Convert to fraction form
    150,554.90/207,832.43 = 105,410.36/x
  3. Step 3: Cross multiply
    150,554.90x = 207,832.43 × 105,410.36
  4. Step 4: Simplify right side
    150,554.90x = 21,907,692,049.08
  5. Step 5: Solve for x
    x = 21,907,692,049.08/150,554.90
  6. Step 6: Final answer
    x = 145,512.98

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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.