Home / 176,000.80-263,540.40-128,999.20

Finding the Fourth Proportional to 176,000.80, 263,540.40 and 128,999.20

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Solution

The fourth proportional to 176,000.80, 263,540.40 and 128,999.20 is: 193,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,000.80 : 263,540.40 = 128,999.20 : x
  2. Step 2: Convert to fraction form
    176,000.80/263,540.40 = 128,999.20/x
  3. Step 3: Cross multiply
    176,000.80x = 263,540.40 × 128,999.20
  4. Step 4: Simplify right side
    176,000.80x = 33,996,500,767.68
  5. Step 5: Solve for x
    x = 33,996,500,767.68/176,000.80
  6. Step 6: Final answer
    x = 193,161.06

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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.