Home / 214,771.15-322,154.67-130,554.57

Finding the Fourth Proportional to 214,771.15, 322,154.67 and 130,554.57

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Solution

The fourth proportional to 214,771.15, 322,154.67 and 130,554.57 is: 195,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,771.15 : 322,154.67 = 130,554.57 : x
  2. Step 2: Convert to fraction form
    214,771.15/322,154.67 = 130,554.57/x
  3. Step 3: Cross multiply
    214,771.15x = 322,154.67 × 130,554.57
  4. Step 4: Simplify right side
    214,771.15x = 42,058,764,415.34
  5. Step 5: Solve for x
    x = 42,058,764,415.34/214,771.15
  6. Step 6: Final answer
    x = 195,830.61

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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.