Home / 123,208.89-184,836.10-38,990.24

Finding the Fourth Proportional to 123,208.89, 184,836.10 and 38,990.24

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Solution

The fourth proportional to 123,208.89, 184,836.10 and 38,990.24 is: 58,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,208.89 : 184,836.10 = 38,990.24 : x
  2. Step 2: Convert to fraction form
    123,208.89/184,836.10 = 38,990.24/x
  3. Step 3: Cross multiply
    123,208.89x = 184,836.10 × 38,990.24
  4. Step 4: Simplify right side
    123,208.89x = 7,206,803,899.66
  5. Step 5: Solve for x
    x = 7,206,803,899.66/123,208.89
  6. Step 6: Final answer
    x = 58,492.56

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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.