Home / 257,582.80-386,374.20-230,026.60

Finding the Fourth Proportional to 257,582.80, 386,374.20 and 230,026.60

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Solution

The fourth proportional to 257,582.80, 386,374.20 and 230,026.60 is: 345,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,582.80 : 386,374.20 = 230,026.60 : x
  2. Step 2: Convert to fraction form
    257,582.80/386,374.20 = 230,026.60/x
  3. Step 3: Cross multiply
    257,582.80x = 386,374.20 × 230,026.60
  4. Step 4: Simplify right side
    257,582.80x = 88,876,343,553.72
  5. Step 5: Solve for x
    x = 88,876,343,553.72/257,582.80
  6. Step 6: Final answer
    x = 345,039.90

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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.