Home / 190,840.48-263,347.68-105,957.52

Finding the Fourth Proportional to 190,840.48, 263,347.68 and 105,957.52

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Solution

The fourth proportional to 190,840.48, 263,347.68 and 105,957.52 is: 146,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,840.48 : 263,347.68 = 105,957.52 : x
  2. Step 2: Convert to fraction form
    190,840.48/263,347.68 = 105,957.52/x
  3. Step 3: Cross multiply
    190,840.48x = 263,347.68 × 105,957.52
  4. Step 4: Simplify right side
    190,840.48x = 27,903,667,070.55
  5. Step 5: Solve for x
    x = 27,903,667,070.55/190,840.48
  6. Step 6: Final answer
    x = 146,214.61

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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.