Home / 293,815.90-441,258.45-257,074.30

Finding the Fourth Proportional to 293,815.90, 441,258.45 and 257,074.30

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Solution

The fourth proportional to 293,815.90, 441,258.45 and 257,074.30 is: 386,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,815.90 : 441,258.45 = 257,074.30 : x
  2. Step 2: Convert to fraction form
    293,815.90/441,258.45 = 257,074.30/x
  3. Step 3: Cross multiply
    293,815.90x = 441,258.45 × 257,074.30
  4. Step 4: Simplify right side
    293,815.90x = 113,436,207,152.84
  5. Step 5: Solve for x
    x = 113,436,207,152.84/293,815.90
  6. Step 6: Final answer
    x = 386,079.20

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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.