Home / 115,577.40-173,625.30-80,585.40

Finding the Fourth Proportional to 115,577.40, 173,625.30 and 80,585.40

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Solution

The fourth proportional to 115,577.40, 173,625.30 and 80,585.40 is: 121,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,577.40 : 173,625.30 = 80,585.40 : x
  2. Step 2: Convert to fraction form
    115,577.40/173,625.30 = 80,585.40/x
  3. Step 3: Cross multiply
    115,577.40x = 173,625.30 × 80,585.40
  4. Step 4: Simplify right side
    115,577.40x = 13,991,664,250.62
  5. Step 5: Solve for x
    x = 13,991,664,250.62/115,577.40
  6. Step 6: Final answer
    x = 121,058.83

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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.