Home / 196,678.90-294,995.67-54,534.70

Finding the Fourth Proportional to 196,678.90, 294,995.67 and 54,534.70

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Solution

The fourth proportional to 196,678.90, 294,995.67 and 54,534.70 is: 81,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,678.90 : 294,995.67 = 54,534.70 : x
  2. Step 2: Convert to fraction form
    196,678.90/294,995.67 = 54,534.70/x
  3. Step 3: Cross multiply
    196,678.90x = 294,995.67 × 54,534.70
  4. Step 4: Simplify right side
    196,678.90x = 16,087,500,364.75
  5. Step 5: Solve for x
    x = 16,087,500,364.75/196,678.90
  6. Step 6: Final answer
    x = 81,795.76

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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.