Home / 111,812.20-167,426.70-106,563.40

Finding the Fourth Proportional to 111,812.20, 167,426.70 and 106,563.40

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Solution

The fourth proportional to 111,812.20, 167,426.70 and 106,563.40 is: 159,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,812.20 : 167,426.70 = 106,563.40 : x
  2. Step 2: Convert to fraction form
    111,812.20/167,426.70 = 106,563.40/x
  3. Step 3: Cross multiply
    111,812.20x = 167,426.70 × 106,563.40
  4. Step 4: Simplify right side
    111,812.20x = 17,841,558,402.78
  5. Step 5: Solve for x
    x = 17,841,558,402.78/111,812.20
  6. Step 6: Final answer
    x = 159,567.19

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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.