Home / 190,283.16-262,591.74-123,331.80

Finding the Fourth Proportional to 190,283.16, 262,591.74 and 123,331.80

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Solution

The fourth proportional to 190,283.16, 262,591.74 and 123,331.80 is: 170,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,283.16 : 262,591.74 = 123,331.80 : x
  2. Step 2: Convert to fraction form
    190,283.16/262,591.74 = 123,331.80/x
  3. Step 3: Cross multiply
    190,283.16x = 262,591.74 × 123,331.80
  4. Step 4: Simplify right side
    190,283.16x = 32,385,911,959.33
  5. Step 5: Solve for x
    x = 32,385,911,959.33/190,283.16
  6. Step 6: Final answer
    x = 170,198.52

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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.