Home / 245,482.20-338,325-181,709.28

Finding the Fourth Proportional to 245,482.20, 338,325 and 181,709.28

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Solution

The fourth proportional to 245,482.20, 338,325 and 181,709.28 is: 250,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,482.20 : 338,325 = 181,709.28 : x
  2. Step 2: Convert to fraction form
    245,482.20/338,325 = 181,709.28/x
  3. Step 3: Cross multiply
    245,482.20x = 338,325 × 181,709.28
  4. Step 4: Simplify right side
    245,482.20x = 61,476,792,156
  5. Step 5: Solve for x
    x = 61,476,792,156/245,482.20
  6. Step 6: Final answer
    x = 250,432.79

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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.