Home / 111,482.18-167,202.23-31,519.50

Finding the Fourth Proportional to 111,482.18, 167,202.23 and 31,519.50

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Solution

The fourth proportional to 111,482.18, 167,202.23 and 31,519.50 is: 47,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,482.18 : 167,202.23 = 31,519.50 : x
  2. Step 2: Convert to fraction form
    111,482.18/167,202.23 = 31,519.50/x
  3. Step 3: Cross multiply
    111,482.18x = 167,202.23 × 31,519.50
  4. Step 4: Simplify right side
    111,482.18x = 5,270,130,530.89
  5. Step 5: Solve for x
    x = 5,270,130,530.89/111,482.18
  6. Step 6: Final answer
    x = 47,273.30

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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.