Home / 190,665.64-263,156.88-110,106.28

Finding the Fourth Proportional to 190,665.64, 263,156.88 and 110,106.28

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Solution

The fourth proportional to 190,665.64, 263,156.88 and 110,106.28 is: 151,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,665.64 : 263,156.88 = 110,106.28 : x
  2. Step 2: Convert to fraction form
    190,665.64/263,156.88 = 110,106.28/x
  3. Step 3: Cross multiply
    190,665.64x = 263,156.88 × 110,106.28
  4. Step 4: Simplify right side
    190,665.64x = 28,975,225,113.21
  5. Step 5: Solve for x
    x = 28,975,225,113.21/190,665.64
  6. Step 6: Final answer
    x = 151,968.78

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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.