Home / 127,745.26-191,647.58-43,506.16

Finding the Fourth Proportional to 127,745.26, 191,647.58 and 43,506.16

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Solution

The fourth proportional to 127,745.26, 191,647.58 and 43,506.16 is: 65,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745.26 : 191,647.58 = 43,506.16 : x
  2. Step 2: Convert to fraction form
    127,745.26/191,647.58 = 43,506.16/x
  3. Step 3: Cross multiply
    127,745.26x = 191,647.58 × 43,506.16
  4. Step 4: Simplify right side
    127,745.26x = 8,337,850,279.09
  5. Step 5: Solve for x
    x = 8,337,850,279.09/127,745.26
  6. Step 6: Final answer
    x = 65,269.35

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1.5x scale

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.