Home / 190,205.41-262,483.44-105,322.47

Finding the Fourth Proportional to 190,205.41, 262,483.44 and 105,322.47

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Solution

The fourth proportional to 190,205.41, 262,483.44 and 105,322.47 is: 145,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,205.41 : 262,483.44 = 105,322.47 : x
  2. Step 2: Convert to fraction form
    190,205.41/262,483.44 = 105,322.47/x
  3. Step 3: Cross multiply
    190,205.41x = 262,483.44 × 105,322.47
  4. Step 4: Simplify right side
    190,205.41x = 27,645,404,234.90
  5. Step 5: Solve for x
    x = 27,645,404,234.90/190,205.41
  6. Step 6: Final answer
    x = 145,344.99

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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.