Home / 115,801.46-173,522.84-80,331.76

Finding the Fourth Proportional to 115,801.46, 173,522.84 and 80,331.76

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Solution

The fourth proportional to 115,801.46, 173,522.84 and 80,331.76 is: 120,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,801.46 : 173,522.84 = 80,331.76 : x
  2. Step 2: Convert to fraction form
    115,801.46/173,522.84 = 80,331.76/x
  3. Step 3: Cross multiply
    115,801.46x = 173,522.84 × 80,331.76
  4. Step 4: Simplify right side
    115,801.46x = 13,939,395,137.40
  5. Step 5: Solve for x
    x = 13,939,395,137.40/115,801.46
  6. Step 6: Final answer
    x = 120,373.22

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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.