Home / 118,764.84-178,167.12-43,885.20

Finding the Fourth Proportional to 118,764.84, 178,167.12 and 43,885.20

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Solution

The fourth proportional to 118,764.84, 178,167.12 and 43,885.20 is: 65,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,764.84 : 178,167.12 = 43,885.20 : x
  2. Step 2: Convert to fraction form
    118,764.84/178,167.12 = 43,885.20/x
  3. Step 3: Cross multiply
    118,764.84x = 178,167.12 × 43,885.20
  4. Step 4: Simplify right side
    118,764.84x = 7,818,899,694.62
  5. Step 5: Solve for x
    x = 7,818,899,694.62/118,764.84
  6. Step 6: Final answer
    x = 65,835.14

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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.