Home / 190,205.76-262,491.86-105,322.82

Finding the Fourth Proportional to 190,205.76, 262,491.86 and 105,322.82

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Solution

The fourth proportional to 190,205.76, 262,491.86 and 105,322.82 is: 145,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,205.76 : 262,491.86 = 105,322.82 : x
  2. Step 2: Convert to fraction form
    190,205.76/262,491.86 = 105,322.82/x
  3. Step 3: Cross multiply
    190,205.76x = 262,491.86 × 105,322.82
  4. Step 4: Simplify right side
    190,205.76x = 27,646,382,922.25
  5. Step 5: Solve for x
    x = 27,646,382,922.25/190,205.76
  6. Step 6: Final answer
    x = 145,349.87

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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.