Home / 263,919.63-363,720.66-187,442.07

Finding the Fourth Proportional to 263,919.63, 363,720.66 and 187,442.07

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Solution

The fourth proportional to 263,919.63, 363,720.66 and 187,442.07 is: 258,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,919.63 : 363,720.66 = 187,442.07 : x
  2. Step 2: Convert to fraction form
    263,919.63/363,720.66 = 187,442.07/x
  3. Step 3: Cross multiply
    263,919.63x = 363,720.66 × 187,442.07
  4. Step 4: Simplify right side
    263,919.63x = 68,176,553,412.17
  5. Step 5: Solve for x
    x = 68,176,553,412.17/263,919.63
  6. Step 6: Final answer
    x = 258,323.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.