Home / 154,124.75-231,187.13-43,316.75

Finding the Fourth Proportional to 154,124.75, 231,187.13 and 43,316.75

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Solution

The fourth proportional to 154,124.75, 231,187.13 and 43,316.75 is: 64,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,124.75 : 231,187.13 = 43,316.75 : x
  2. Step 2: Convert to fraction form
    154,124.75/231,187.13 = 43,316.75/x
  3. Step 3: Cross multiply
    154,124.75x = 231,187.13 × 43,316.75
  4. Step 4: Simplify right side
    154,124.75x = 10,014,275,113.43
  5. Step 5: Solve for x
    x = 10,014,275,113.43/154,124.75
  6. Step 6: Final answer
    x = 64,975.13

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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.