Home / 262,904.40-394,356.60-157,669.20

Finding the Fourth Proportional to 262,904.40, 394,356.60 and 157,669.20

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Solution

The fourth proportional to 262,904.40, 394,356.60 and 157,669.20 is: 236,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,904.40 : 394,356.60 = 157,669.20 : x
  2. Step 2: Convert to fraction form
    262,904.40/394,356.60 = 157,669.20/x
  3. Step 3: Cross multiply
    262,904.40x = 394,356.60 × 157,669.20
  4. Step 4: Simplify right side
    262,904.40x = 62,177,889,636.72
  5. Step 5: Solve for x
    x = 62,177,889,636.72/262,904.40
  6. Step 6: Final answer
    x = 236,503.80

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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.