Home / 111,317.40-166,976.10-73,263.60

Finding the Fourth Proportional to 111,317.40, 166,976.10 and 73,263.60

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Solution

The fourth proportional to 111,317.40, 166,976.10 and 73,263.60 is: 109,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,317.40 : 166,976.10 = 73,263.60 : x
  2. Step 2: Convert to fraction form
    111,317.40/166,976.10 = 73,263.60/x
  3. Step 3: Cross multiply
    111,317.40x = 166,976.10 × 73,263.60
  4. Step 4: Simplify right side
    111,317.40x = 12,233,270,199.96
  5. Step 5: Solve for x
    x = 12,233,270,199.96/111,317.40
  6. Step 6: Final answer
    x = 109,895.40

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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.