Home / 190,829.95-263,335.05-105,941.54

Finding the Fourth Proportional to 190,829.95, 263,335.05 and 105,941.54

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Solution

The fourth proportional to 190,829.95, 263,335.05 and 105,941.54 is: 146,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,829.95 : 263,335.05 = 105,941.54 : x
  2. Step 2: Convert to fraction form
    190,829.95/263,335.05 = 105,941.54/x
  3. Step 3: Cross multiply
    190,829.95x = 263,335.05 × 105,941.54
  4. Step 4: Simplify right side
    190,829.95x = 27,898,120,203.27
  5. Step 5: Solve for x
    x = 27,898,120,203.27/190,829.95
  6. Step 6: Final answer
    x = 146,193.62

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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.