Home / 196,538.90-294,814.10-54,385.32

Finding the Fourth Proportional to 196,538.90, 294,814.10 and 54,385.32

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Solution

The fourth proportional to 196,538.90, 294,814.10 and 54,385.32 is: 81,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,538.90 : 294,814.10 = 54,385.32 : x
  2. Step 2: Convert to fraction form
    196,538.90/294,814.10 = 54,385.32/x
  3. Step 3: Cross multiply
    196,538.90x = 294,814.10 × 54,385.32
  4. Step 4: Simplify right side
    196,538.90x = 16,033,558,897.09
  5. Step 5: Solve for x
    x = 16,033,558,897.09/196,538.90
  6. Step 6: Final answer
    x = 81,579.57

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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.