Home / 304,799.64-420,626.87-168,835.68

Finding the Fourth Proportional to 304,799.64, 420,626.87 and 168,835.68

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Solution

The fourth proportional to 304,799.64, 420,626.87 and 168,835.68 is: 232,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,799.64 : 420,626.87 = 168,835.68 : x
  2. Step 2: Convert to fraction form
    304,799.64/420,626.87 = 168,835.68/x
  3. Step 3: Cross multiply
    304,799.64x = 420,626.87 × 168,835.68
  4. Step 4: Simplify right side
    304,799.64x = 71,016,822,778.54
  5. Step 5: Solve for x
    x = 71,016,822,778.54/304,799.64
  6. Step 6: Final answer
    x = 232,995.10

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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.