Home / 123,406.89-185,110.36-44,521.09

Finding the Fourth Proportional to 123,406.89, 185,110.36 and 44,521.09

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Solution

The fourth proportional to 123,406.89, 185,110.36 and 44,521.09 is: 66,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,406.89 : 185,110.36 = 44,521.09 : x
  2. Step 2: Convert to fraction form
    123,406.89/185,110.36 = 44,521.09/x
  3. Step 3: Cross multiply
    123,406.89x = 185,110.36 × 44,521.09
  4. Step 4: Simplify right side
    123,406.89x = 8,241,315,715.09
  5. Step 5: Solve for x
    x = 8,241,315,715.09/123,406.89
  6. Step 6: Final answer
    x = 66,781.65

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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.