Home / 245,025.73-338,135.54-137,595.84

Finding the Fourth Proportional to 245,025.73, 338,135.54 and 137,595.84

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Solution

The fourth proportional to 245,025.73, 338,135.54 and 137,595.84 is: 189,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,025.73 : 338,135.54 = 137,595.84 : x
  2. Step 2: Convert to fraction form
    245,025.73/338,135.54 = 137,595.84/x
  3. Step 3: Cross multiply
    245,025.73x = 338,135.54 × 137,595.84
  4. Step 4: Simplify right side
    245,025.73x = 46,526,043,660.15
  5. Step 5: Solve for x
    x = 46,526,043,660.15/245,025.73
  6. Step 6: Final answer
    x = 189,882.28

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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.