Home / 296,623.88-409,382.58-189,159.56

Finding the Fourth Proportional to 296,623.88, 409,382.58 and 189,159.56

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Solution

The fourth proportional to 296,623.88, 409,382.58 and 189,159.56 is: 261,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,623.88 : 409,382.58 = 189,159.56 : x
  2. Step 2: Convert to fraction form
    296,623.88/409,382.58 = 189,159.56/x
  3. Step 3: Cross multiply
    296,623.88x = 409,382.58 × 189,159.56
  4. Step 4: Simplify right side
    296,623.88x = 77,438,628,704.46
  5. Step 5: Solve for x
    x = 77,438,628,704.46/296,623.88
  6. Step 6: Final answer
    x = 261,066.74

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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.