Home / 297,985.16-447,258.65-108,628.54

Finding the Fourth Proportional to 297,985.16, 447,258.65 and 108,628.54

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Solution

The fourth proportional to 297,985.16, 447,258.65 and 108,628.54 is: 163,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,985.16 : 447,258.65 = 108,628.54 : x
  2. Step 2: Convert to fraction form
    297,985.16/447,258.65 = 108,628.54/x
  3. Step 3: Cross multiply
    297,985.16x = 447,258.65 × 108,628.54
  4. Step 4: Simplify right side
    297,985.16x = 48,585,052,490.58
  5. Step 5: Solve for x
    x = 48,585,052,490.58/297,985.16
  6. Step 6: Final answer
    x = 163,045.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.