Home / 167,905.17-251,857.80-55,555.20

Finding the Fourth Proportional to 167,905.17, 251,857.80 and 55,555.20

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Solution

The fourth proportional to 167,905.17, 251,857.80 and 55,555.20 is: 83,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,905.17 : 251,857.80 = 55,555.20 : x
  2. Step 2: Convert to fraction form
    167,905.17/251,857.80 = 55,555.20/x
  3. Step 3: Cross multiply
    167,905.17x = 251,857.80 × 55,555.20
  4. Step 4: Simplify right side
    167,905.17x = 13,992,010,450.56
  5. Step 5: Solve for x
    x = 13,992,010,450.56/167,905.17
  6. Step 6: Final answer
    x = 83,332.81

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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.