Home / 111,414.40-167,179.04-74,000.36

Finding the Fourth Proportional to 111,414.40, 167,179.04 and 74,000.36

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Solution

The fourth proportional to 111,414.40, 167,179.04 and 74,000.36 is: 111,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414.40 : 167,179.04 = 74,000.36 : x
  2. Step 2: Convert to fraction form
    111,414.40/167,179.04 = 74,000.36/x
  3. Step 3: Cross multiply
    111,414.40x = 167,179.04 × 74,000.36
  4. Step 4: Simplify right side
    111,414.40x = 12,371,309,144.45
  5. Step 5: Solve for x
    x = 12,371,309,144.45/111,414.40
  6. Step 6: Final answer
    x = 111,038.69

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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.