Home / 190,204.91-262,482.76-105,321.97

Finding the Fourth Proportional to 190,204.91, 262,482.76 and 105,321.97

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Solution

The fourth proportional to 190,204.91, 262,482.76 and 105,321.97 is: 145,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.91 : 262,482.76 = 105,321.97 : x
  2. Step 2: Convert to fraction form
    190,204.91/262,482.76 = 105,321.97/x
  3. Step 3: Cross multiply
    190,204.91x = 262,482.76 × 105,321.97
  4. Step 4: Simplify right side
    190,204.91x = 27,645,201,374.24
  5. Step 5: Solve for x
    x = 27,645,201,374.24/190,204.91
  6. Step 6: Final answer
    x = 145,344.31

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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.