Home / 190,812.78-263,342.62-109,148.58

Finding the Fourth Proportional to 190,812.78, 263,342.62 and 109,148.58

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Solution

The fourth proportional to 190,812.78, 263,342.62 and 109,148.58 is: 150,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,812.78 : 263,342.62 = 109,148.58 : x
  2. Step 2: Convert to fraction form
    190,812.78/263,342.62 = 109,148.58/x
  3. Step 3: Cross multiply
    190,812.78x = 263,342.62 × 109,148.58
  4. Step 4: Simplify right side
    190,812.78x = 28,743,473,026.48
  5. Step 5: Solve for x
    x = 28,743,473,026.48/190,812.78
  6. Step 6: Final answer
    x = 150,637.04

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1.5x scale

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.