Home / 189,382.41-261,348.62-104,499.45

Finding the Fourth Proportional to 189,382.41, 261,348.62 and 104,499.45

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Solution

The fourth proportional to 189,382.41, 261,348.62 and 104,499.45 is: 144,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,382.41 : 261,348.62 = 104,499.45 : x
  2. Step 2: Convert to fraction form
    189,382.41/261,348.62 = 104,499.45/x
  3. Step 3: Cross multiply
    189,382.41x = 261,348.62 × 104,499.45
  4. Step 4: Simplify right side
    189,382.41x = 27,310,786,525.76
  5. Step 5: Solve for x
    x = 27,310,786,525.76/189,382.41
  6. Step 6: Final answer
    x = 144,209.73

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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.