Home / 114,861.40-172,292.10-35,999.80

Finding the Fourth Proportional to 114,861.40, 172,292.10 and 35,999.80

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Solution

The fourth proportional to 114,861.40, 172,292.10 and 35,999.80 is: 53,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,861.40 : 172,292.10 = 35,999.80 : x
  2. Step 2: Convert to fraction form
    114,861.40/172,292.10 = 35,999.80/x
  3. Step 3: Cross multiply
    114,861.40x = 172,292.10 × 35,999.80
  4. Step 4: Simplify right side
    114,861.40x = 6,202,481,141.58
  5. Step 5: Solve for x
    x = 6,202,481,141.58/114,861.40
  6. Step 6: Final answer
    x = 53,999.70

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1.5x scale

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.