Home / 258,178.17-356,247.23-144,979.05

Finding the Fourth Proportional to 258,178.17, 356,247.23 and 144,979.05

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Solution

The fourth proportional to 258,178.17, 356,247.23 and 144,979.05 is: 200,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,178.17 : 356,247.23 = 144,979.05 : x
  2. Step 2: Convert to fraction form
    258,178.17/356,247.23 = 144,979.05/x
  3. Step 3: Cross multiply
    258,178.17x = 356,247.23 × 144,979.05
  4. Step 4: Simplify right side
    258,178.17x = 51,648,384,245.64
  5. Step 5: Solve for x
    x = 51,648,384,245.64/258,178.17
  6. Step 6: Final answer
    x = 200,049.39

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1.5x scale

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.