Home / 454,009.44-681,156.72-187,895.28

Finding the Fourth Proportional to 454,009.44, 681,156.72 and 187,895.28

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Solution

The fourth proportional to 454,009.44, 681,156.72 and 187,895.28 is: 281,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,009.44 : 681,156.72 = 187,895.28 : x
  2. Step 2: Convert to fraction form
    454,009.44/681,156.72 = 187,895.28/x
  3. Step 3: Cross multiply
    454,009.44x = 681,156.72 × 187,895.28
  4. Step 4: Simplify right side
    454,009.44x = 127,986,132,628.28
  5. Step 5: Solve for x
    x = 127,986,132,628.28/454,009.44
  6. Step 6: Final answer
    x = 281,901.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.