Home / 122,253.88-183,146.58-82,742.84

Finding the Fourth Proportional to 122,253.88, 183,146.58 and 82,742.84

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Solution

The fourth proportional to 122,253.88, 183,146.58 and 82,742.84 is: 123,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,253.88 : 183,146.58 = 82,742.84 : x
  2. Step 2: Convert to fraction form
    122,253.88/183,146.58 = 82,742.84/x
  3. Step 3: Cross multiply
    122,253.88x = 183,146.58 × 82,742.84
  4. Step 4: Simplify right side
    122,253.88x = 15,154,068,165.49
  5. Step 5: Solve for x
    x = 15,154,068,165.49/122,253.88
  6. Step 6: Final answer
    x = 123,955.72

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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.