Home / 111,813.40-167,811.90-110,938.60

Finding the Fourth Proportional to 111,813.40, 167,811.90 and 110,938.60

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Solution

The fourth proportional to 111,813.40, 167,811.90 and 110,938.60 is: 166,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,813.40 : 167,811.90 = 110,938.60 : x
  2. Step 2: Convert to fraction form
    111,813.40/167,811.90 = 110,938.60/x
  3. Step 3: Cross multiply
    111,813.40x = 167,811.90 × 110,938.60
  4. Step 4: Simplify right side
    111,813.40x = 18,616,817,249.34
  5. Step 5: Solve for x
    x = 18,616,817,249.34/111,813.40
  6. Step 6: Final answer
    x = 166,498.98

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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.