Home / 351,986.04-527,972.77-85,745.92

Finding the Fourth Proportional to 351,986.04, 527,972.77 and 85,745.92

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Solution

The fourth proportional to 351,986.04, 527,972.77 and 85,745.92 is: 128,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,986.04 : 527,972.77 = 85,745.92 : x
  2. Step 2: Convert to fraction form
    351,986.04/527,972.77 = 85,745.92/x
  3. Step 3: Cross multiply
    351,986.04x = 527,972.77 × 85,745.92
  4. Step 4: Simplify right side
    351,986.04x = 45,271,510,898.60
  5. Step 5: Solve for x
    x = 45,271,510,898.60/351,986.04
  6. Step 6: Final answer
    x = 128,617.35

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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.