Home / 193,019.62-266,381.85-111,362.50

Finding the Fourth Proportional to 193,019.62, 266,381.85 and 111,362.50

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Solution

The fourth proportional to 193,019.62, 266,381.85 and 111,362.50 is: 153,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,019.62 : 266,381.85 = 111,362.50 : x
  2. Step 2: Convert to fraction form
    193,019.62/266,381.85 = 111,362.50/x
  3. Step 3: Cross multiply
    193,019.62x = 266,381.85 × 111,362.50
  4. Step 4: Simplify right side
    193,019.62x = 29,664,948,770.63
  5. Step 5: Solve for x
    x = 29,664,948,770.63/193,019.62
  6. Step 6: Final answer
    x = 153,688.77

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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.