Home / 526,140.52-789,218.07-171,156.40

Finding the Fourth Proportional to 526,140.52, 789,218.07 and 171,156.40

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Solution

The fourth proportional to 526,140.52, 789,218.07 and 171,156.40 is: 256,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,140.52 : 789,218.07 = 171,156.40 : x
  2. Step 2: Convert to fraction form
    526,140.52/789,218.07 = 171,156.40/x
  3. Step 3: Cross multiply
    526,140.52x = 789,218.07 × 171,156.40
  4. Step 4: Simplify right side
    526,140.52x = 135,079,723,676.15
  5. Step 5: Solve for x
    x = 135,079,723,676.15/526,140.52
  6. Step 6: Final answer
    x = 256,736.97

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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.