Home / 190,481.83-262,827.86-112,943.12

Finding the Fourth Proportional to 190,481.83, 262,827.86 and 112,943.12

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Solution

The fourth proportional to 190,481.83, 262,827.86 and 112,943.12 is: 155,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,481.83 : 262,827.86 = 112,943.12 : x
  2. Step 2: Convert to fraction form
    190,481.83/262,827.86 = 112,943.12/x
  3. Step 3: Cross multiply
    190,481.83x = 262,827.86 × 112,943.12
  4. Step 4: Simplify right side
    190,481.83x = 29,684,596,652.47
  5. Step 5: Solve for x
    x = 29,684,596,652.47/190,481.83
  6. Step 6: Final answer
    x = 155,839.52

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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.