Home / 154,315.10-231,489.26-49,109.46

Finding the Fourth Proportional to 154,315.10, 231,489.26 and 49,109.46

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Solution

The fourth proportional to 154,315.10, 231,489.26 and 49,109.46 is: 73,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,315.10 : 231,489.26 = 49,109.46 : x
  2. Step 2: Convert to fraction form
    154,315.10/231,489.26 = 49,109.46/x
  3. Step 3: Cross multiply
    154,315.10x = 231,489.26 × 49,109.46
  4. Step 4: Simplify right side
    154,315.10x = 11,368,312,554.40
  5. Step 5: Solve for x
    x = 11,368,312,554.40/154,315.10
  6. Step 6: Final answer
    x = 73,669.48

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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.