Home / 263,541.95-394,405.73-158,436.35

Finding the Fourth Proportional to 263,541.95, 394,405.73 and 158,436.35

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Solution

The fourth proportional to 263,541.95, 394,405.73 and 158,436.35 is: 237,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,541.95 : 394,405.73 = 158,436.35 : x
  2. Step 2: Convert to fraction form
    263,541.95/394,405.73 = 158,436.35/x
  3. Step 3: Cross multiply
    263,541.95x = 394,405.73 × 158,436.35
  4. Step 4: Simplify right side
    263,541.95x = 62,488,203,488.10
  5. Step 5: Solve for x
    x = 62,488,203,488.10/263,541.95
  6. Step 6: Final answer
    x = 237,109.13

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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.