Home / 263,021.34-394,631.40-157,913.58

Finding the Fourth Proportional to 263,021.34, 394,631.40 and 157,913.58

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Solution

The fourth proportional to 263,021.34, 394,631.40 and 157,913.58 is: 236,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,021.34 : 394,631.40 = 157,913.58 : x
  2. Step 2: Convert to fraction form
    263,021.34/394,631.40 = 157,913.58/x
  3. Step 3: Cross multiply
    263,021.34x = 394,631.40 × 157,913.58
  4. Step 4: Simplify right side
    263,021.34x = 62,317,657,154.41
  5. Step 5: Solve for x
    x = 62,317,657,154.41/263,021.34
  6. Step 6: Final answer
    x = 236,930.04

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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.