Home / 190,205.28-262,483.24-105,322.32

Finding the Fourth Proportional to 190,205.28, 262,483.24 and 105,322.32

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Solution

The fourth proportional to 190,205.28, 262,483.24 and 105,322.32 is: 145,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,205.28 : 262,483.24 = 105,322.32 : x
  2. Step 2: Convert to fraction form
    190,205.28/262,483.24 = 105,322.32/x
  3. Step 3: Cross multiply
    190,205.28x = 262,483.24 × 105,322.32
  4. Step 4: Simplify right side
    190,205.28x = 27,645,343,797.92
  5. Step 5: Solve for x
    x = 27,645,343,797.92/190,205.28
  6. Step 6: Final answer
    x = 145,344.78

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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.