Home / 193,000.90-266,341.04-108,118.56

Finding the Fourth Proportional to 193,000.90, 266,341.04 and 108,118.56

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Solution

The fourth proportional to 193,000.90, 266,341.04 and 108,118.56 is: 149,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,000.90 : 266,341.04 = 108,118.56 : x
  2. Step 2: Convert to fraction form
    193,000.90/266,341.04 = 108,118.56/x
  3. Step 3: Cross multiply
    193,000.90x = 266,341.04 × 108,118.56
  4. Step 4: Simplify right side
    193,000.90x = 28,796,409,713.70
  5. Step 5: Solve for x
    x = 28,796,409,713.70/193,000.90
  6. Step 6: Final answer
    x = 149,203.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.