Home / 170,745.18-256,155.84-52,428.48

Finding the Fourth Proportional to 170,745.18, 256,155.84 and 52,428.48

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Solution

The fourth proportional to 170,745.18, 256,155.84 and 52,428.48 is: 78,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,745.18 : 256,155.84 = 52,428.48 : x
  2. Step 2: Convert to fraction form
    170,745.18/256,155.84 = 52,428.48/x
  3. Step 3: Cross multiply
    170,745.18x = 256,155.84 × 52,428.48
  4. Step 4: Simplify right side
    170,745.18x = 13,429,861,334.32
  5. Step 5: Solve for x
    x = 13,429,861,334.32/170,745.18
  6. Step 6: Final answer
    x = 78,654.41

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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.