Home / 190,732.12-263,149.50-110,149

Finding the Fourth Proportional to 190,732.12, 263,149.50 and 110,149

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Solution

The fourth proportional to 190,732.12, 263,149.50 and 110,149 is: 151,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,732.12 : 263,149.50 = 110,149 : x
  2. Step 2: Convert to fraction form
    190,732.12/263,149.50 = 110,149/x
  3. Step 3: Cross multiply
    190,732.12x = 263,149.50 × 110,149
  4. Step 4: Simplify right side
    190,732.12x = 28,985,654,275.50
  5. Step 5: Solve for x
    x = 28,985,654,275.50/190,732.12
  6. Step 6: Final answer
    x = 151,970.49

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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.