Home / 182,137.28-273,076.80-69,722.72

Finding the Fourth Proportional to 182,137.28, 273,076.80 and 69,722.72

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Solution

The fourth proportional to 182,137.28, 273,076.80 and 69,722.72 is: 104,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,137.28 : 273,076.80 = 69,722.72 : x
  2. Step 2: Convert to fraction form
    182,137.28/273,076.80 = 69,722.72/x
  3. Step 3: Cross multiply
    182,137.28x = 273,076.80 × 69,722.72
  4. Step 4: Simplify right side
    182,137.28x = 19,039,657,264.90
  5. Step 5: Solve for x
    x = 19,039,657,264.90/182,137.28
  6. Step 6: Final answer
    x = 104,534.65

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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.