Home / 130,162.08-195,072.42-74,028

Finding the Fourth Proportional to 130,162.08, 195,072.42 and 74,028

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Solution

The fourth proportional to 130,162.08, 195,072.42 and 74,028 is: 110,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,162.08 : 195,072.42 = 74,028 : x
  2. Step 2: Convert to fraction form
    130,162.08/195,072.42 = 74,028/x
  3. Step 3: Cross multiply
    130,162.08x = 195,072.42 × 74,028
  4. Step 4: Simplify right side
    130,162.08x = 14,440,821,107.76
  5. Step 5: Solve for x
    x = 14,440,821,107.76/130,162.08
  6. Step 6: Final answer
    x = 110,944.92

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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.