Home / 250,680.72-345,942.18-137,501.04

Finding the Fourth Proportional to 250,680.72, 345,942.18 and 137,501.04

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Solution

The fourth proportional to 250,680.72, 345,942.18 and 137,501.04 is: 189,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,680.72 : 345,942.18 = 137,501.04 : x
  2. Step 2: Convert to fraction form
    250,680.72/345,942.18 = 137,501.04/x
  3. Step 3: Cross multiply
    250,680.72x = 345,942.18 × 137,501.04
  4. Step 4: Simplify right side
    250,680.72x = 47,567,409,529.87
  5. Step 5: Solve for x
    x = 47,567,409,529.87/250,680.72
  6. Step 6: Final answer
    x = 189,752.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.