Home / 190,731.12-263,148.12-110,148

Finding the Fourth Proportional to 190,731.12, 263,148.12 and 110,148

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Solution

The fourth proportional to 190,731.12, 263,148.12 and 110,148 is: 151,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,731.12 : 263,148.12 = 110,148 : x
  2. Step 2: Convert to fraction form
    190,731.12/263,148.12 = 110,148/x
  3. Step 3: Cross multiply
    190,731.12x = 263,148.12 × 110,148
  4. Step 4: Simplify right side
    190,731.12x = 28,985,239,121.76
  5. Step 5: Solve for x
    x = 28,985,239,121.76/190,731.12
  6. Step 6: Final answer
    x = 151,969.11

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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.