Home / 182,728.02-252,072.32-122,301.20

Finding the Fourth Proportional to 182,728.02, 252,072.32 and 122,301.20

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Solution

The fourth proportional to 182,728.02, 252,072.32 and 122,301.20 is: 168,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,728.02 : 252,072.32 = 122,301.20 : x
  2. Step 2: Convert to fraction form
    182,728.02/252,072.32 = 122,301.20/x
  3. Step 3: Cross multiply
    182,728.02x = 252,072.32 × 122,301.20
  4. Step 4: Simplify right side
    182,728.02x = 30,828,747,222.78
  5. Step 5: Solve for x
    x = 30,828,747,222.78/182,728.02
  6. Step 6: Final answer
    x = 168,713.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.