Home / 190,111.55-262,326.48-105,228.41

Finding the Fourth Proportional to 190,111.55, 262,326.48 and 105,228.41

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Solution

The fourth proportional to 190,111.55, 262,326.48 and 105,228.41 is: 145,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,111.55 : 262,326.48 = 105,228.41 : x
  2. Step 2: Convert to fraction form
    190,111.55/262,326.48 = 105,228.41/x
  3. Step 3: Cross multiply
    190,111.55x = 262,326.48 × 105,228.41
  4. Step 4: Simplify right side
    190,111.55x = 27,604,198,391.30
  5. Step 5: Solve for x
    x = 27,604,198,391.30/190,111.55
  6. Step 6: Final answer
    x = 145,200.01

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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.