Home / 111,370.13-166,975.83-52,173.53

Finding the Fourth Proportional to 111,370.13, 166,975.83 and 52,173.53

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Solution

The fourth proportional to 111,370.13, 166,975.83 and 52,173.53 is: 78,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,370.13 : 166,975.83 = 52,173.53 : x
  2. Step 2: Convert to fraction form
    111,370.13/166,975.83 = 52,173.53/x
  3. Step 3: Cross multiply
    111,370.13x = 166,975.83 × 52,173.53
  4. Step 4: Simplify right side
    111,370.13x = 8,711,718,475.78
  5. Step 5: Solve for x
    x = 8,711,718,475.78/111,370.13
  6. Step 6: Final answer
    x = 78,223.11

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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.