Home / 190,619.23-263,053.68-108,946.12

Finding the Fourth Proportional to 190,619.23, 263,053.68 and 108,946.12

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Solution

The fourth proportional to 190,619.23, 263,053.68 and 108,946.12 is: 150,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,619.23 : 263,053.68 = 108,946.12 : x
  2. Step 2: Convert to fraction form
    190,619.23/263,053.68 = 108,946.12/x
  3. Step 3: Cross multiply
    190,619.23x = 263,053.68 × 108,946.12
  4. Step 4: Simplify right side
    190,619.23x = 28,658,677,787.72
  5. Step 5: Solve for x
    x = 28,658,677,787.72/190,619.23
  6. Step 6: Final answer
    x = 150,345.16

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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.