Home / 111,816.12-167,666.40-32,920.14

Finding the Fourth Proportional to 111,816.12, 167,666.40 and 32,920.14

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Solution

The fourth proportional to 111,816.12, 167,666.40 and 32,920.14 is: 49,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816.12 : 167,666.40 = 32,920.14 : x
  2. Step 2: Convert to fraction form
    111,816.12/167,666.40 = 32,920.14/x
  3. Step 3: Cross multiply
    111,816.12x = 167,666.40 × 32,920.14
  4. Step 4: Simplify right side
    111,816.12x = 5,519,601,361.30
  5. Step 5: Solve for x
    x = 5,519,601,361.30/111,816.12
  6. Step 6: Final answer
    x = 49,363.20

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1.5x scale

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.