Home / 263,623.23-395,402.04-105,798.38

Finding the Fourth Proportional to 263,623.23, 395,402.04 and 105,798.38

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Solution

The fourth proportional to 263,623.23, 395,402.04 and 105,798.38 is: 158,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,623.23 : 395,402.04 = 105,798.38 : x
  2. Step 2: Convert to fraction form
    263,623.23/395,402.04 = 105,798.38/x
  3. Step 3: Cross multiply
    263,623.23x = 395,402.04 × 105,798.38
  4. Step 4: Simplify right side
    263,623.23x = 41,832,893,303.69
  5. Step 5: Solve for x
    x = 41,832,893,303.69/263,623.23
  6. Step 6: Final answer
    x = 158,684.40

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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.