Home / 100,751.04-151,117.45-34,183.62

Finding the Fourth Proportional to 100,751.04, 151,117.45 and 34,183.62

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Solution

The fourth proportional to 100,751.04, 151,117.45 and 34,183.62 is: 51,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,751.04 : 151,117.45 = 34,183.62 : x
  2. Step 2: Convert to fraction form
    100,751.04/151,117.45 = 34,183.62/x
  3. Step 3: Cross multiply
    100,751.04x = 151,117.45 × 34,183.62
  4. Step 4: Simplify right side
    100,751.04x = 5,165,741,400.71
  5. Step 5: Solve for x
    x = 5,165,741,400.71/100,751.04
  6. Step 6: Final answer
    x = 51,272.34

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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.