Home / 263,141.20-394,711.80-156,696.40

Finding the Fourth Proportional to 263,141.20, 394,711.80 and 156,696.40

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Solution

The fourth proportional to 263,141.20, 394,711.80 and 156,696.40 is: 235,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,141.20 : 394,711.80 = 156,696.40 : x
  2. Step 2: Convert to fraction form
    263,141.20/394,711.80 = 156,696.40/x
  3. Step 3: Cross multiply
    263,141.20x = 394,711.80 × 156,696.40
  4. Step 4: Simplify right side
    263,141.20x = 61,849,918,097.52
  5. Step 5: Solve for x
    x = 61,849,918,097.52/263,141.20
  6. Step 6: Final answer
    x = 235,044.60

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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.