Home / 258,000.60-386,126.10-226,507.80

Finding the Fourth Proportional to 258,000.60, 386,126.10 and 226,507.80

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Solution

The fourth proportional to 258,000.60, 386,126.10 and 226,507.80 is: 338,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,000.60 : 386,126.10 = 226,507.80 : x
  2. Step 2: Convert to fraction form
    258,000.60/386,126.10 = 226,507.80/x
  3. Step 3: Cross multiply
    258,000.60x = 386,126.10 × 226,507.80
  4. Step 4: Simplify right side
    258,000.60x = 87,460,573,433.58
  5. Step 5: Solve for x
    x = 87,460,573,433.58/258,000.60
  6. Step 6: Final answer
    x = 338,993.68

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1.5x scale

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.