Home / 176,300.20-264,515.10-71,129.80

Finding the Fourth Proportional to 176,300.20, 264,515.10 and 71,129.80

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Solution

The fourth proportional to 176,300.20, 264,515.10 and 71,129.80 is: 106,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,300.20 : 264,515.10 = 71,129.80 : x
  2. Step 2: Convert to fraction form
    176,300.20/264,515.10 = 71,129.80/x
  3. Step 3: Cross multiply
    176,300.20x = 264,515.10 × 71,129.80
  4. Step 4: Simplify right side
    176,300.20x = 18,814,906,159.98
  5. Step 5: Solve for x
    x = 18,814,906,159.98/176,300.20
  6. Step 6: Final answer
    x = 106,720.84

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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.