Home / 125,612.28-173,225.80-82,515.96

Finding the Fourth Proportional to 125,612.28, 173,225.80 and 82,515.96

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Solution

The fourth proportional to 125,612.28, 173,225.80 and 82,515.96 is: 113,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,612.28 : 173,225.80 = 82,515.96 : x
  2. Step 2: Convert to fraction form
    125,612.28/173,225.80 = 82,515.96/x
  3. Step 3: Cross multiply
    125,612.28x = 173,225.80 × 82,515.96
  4. Step 4: Simplify right side
    125,612.28x = 14,293,893,183.77
  5. Step 5: Solve for x
    x = 14,293,893,183.77/125,612.28
  6. Step 6: Final answer
    x = 113,793.76

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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.