Home / 190,514.25-262,849.65-118,935.72

Finding the Fourth Proportional to 190,514.25, 262,849.65 and 118,935.72

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Solution

The fourth proportional to 190,514.25, 262,849.65 and 118,935.72 is: 164,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,514.25 : 262,849.65 = 118,935.72 : x
  2. Step 2: Convert to fraction form
    190,514.25/262,849.65 = 118,935.72/x
  3. Step 3: Cross multiply
    190,514.25x = 262,849.65 × 118,935.72
  4. Step 4: Simplify right side
    190,514.25x = 31,262,212,374.50
  5. Step 5: Solve for x
    x = 31,262,212,374.50/190,514.25
  6. Step 6: Final answer
    x = 164,093.83

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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.