Home / 125,935.83-173,786.31-72,183.42

Finding the Fourth Proportional to 125,935.83, 173,786.31 and 72,183.42

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Solution

The fourth proportional to 125,935.83, 173,786.31 and 72,183.42 is: 99,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,935.83 : 173,786.31 = 72,183.42 : x
  2. Step 2: Convert to fraction form
    125,935.83/173,786.31 = 72,183.42/x
  3. Step 3: Cross multiply
    125,935.83x = 173,786.31 × 72,183.42
  4. Step 4: Simplify right side
    125,935.83x = 12,544,490,204.98
  5. Step 5: Solve for x
    x = 12,544,490,204.98/125,935.83
  6. Step 6: Final answer
    x = 99,610.18

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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.