Home / 125,661.58-173,589.48-114,311.05

Finding the Fourth Proportional to 125,661.58, 173,589.48 and 114,311.05

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Solution

The fourth proportional to 125,661.58, 173,589.48 and 114,311.05 is: 157,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,661.58 : 173,589.48 = 114,311.05 : x
  2. Step 2: Convert to fraction form
    125,661.58/173,589.48 = 114,311.05/x
  3. Step 3: Cross multiply
    125,661.58x = 173,589.48 × 114,311.05
  4. Step 4: Simplify right side
    125,661.58x = 19,843,195,293.78
  5. Step 5: Solve for x
    x = 19,843,195,293.78/125,661.58
  6. Step 6: Final answer
    x = 157,909.81

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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.