Home / 257,794.07-386,598.83-89,269.15

Finding the Fourth Proportional to 257,794.07, 386,598.83 and 89,269.15

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Solution

The fourth proportional to 257,794.07, 386,598.83 and 89,269.15 is: 133,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,794.07 : 386,598.83 = 89,269.15 : x
  2. Step 2: Convert to fraction form
    257,794.07/386,598.83 = 89,269.15/x
  3. Step 3: Cross multiply
    257,794.07x = 386,598.83 × 89,269.15
  4. Step 4: Simplify right side
    257,794.07x = 34,511,348,945.09
  5. Step 5: Solve for x
    x = 34,511,348,945.09/257,794.07
  6. Step 6: Final answer
    x = 133,871.77

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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.