Home / 113,120.24-156,107.21-62,134.16

Finding the Fourth Proportional to 113,120.24, 156,107.21 and 62,134.16

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Solution

The fourth proportional to 113,120.24, 156,107.21 and 62,134.16 is: 85,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,120.24 : 156,107.21 = 62,134.16 : x
  2. Step 2: Convert to fraction form
    113,120.24/156,107.21 = 62,134.16/x
  3. Step 3: Cross multiply
    113,120.24x = 156,107.21 × 62,134.16
  4. Step 4: Simplify right side
    113,120.24x = 9,699,590,052.62
  5. Step 5: Solve for x
    x = 9,699,590,052.62/113,120.24
  6. Step 6: Final answer
    x = 85,745.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.