Home / 151,745.25-209,408.45-83,762.24

Finding the Fourth Proportional to 151,745.25, 209,408.45 and 83,762.24

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Solution

The fourth proportional to 151,745.25, 209,408.45 and 83,762.24 is: 115,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,745.25 : 209,408.45 = 83,762.24 : x
  2. Step 2: Convert to fraction form
    151,745.25/209,408.45 = 83,762.24/x
  3. Step 3: Cross multiply
    151,745.25x = 209,408.45 × 83,762.24
  4. Step 4: Simplify right side
    151,745.25x = 17,540,519,381.07
  5. Step 5: Solve for x
    x = 17,540,519,381.07/151,745.25
  6. Step 6: Final answer
    x = 115,591.88

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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.