Home / 143,470.50-215,240.32-44,974.50

Finding the Fourth Proportional to 143,470.50, 215,240.32 and 44,974.50

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Solution

The fourth proportional to 143,470.50, 215,240.32 and 44,974.50 is: 67,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,470.50 : 215,240.32 = 44,974.50 : x
  2. Step 2: Convert to fraction form
    143,470.50/215,240.32 = 44,974.50/x
  3. Step 3: Cross multiply
    143,470.50x = 215,240.32 × 44,974.50
  4. Step 4: Simplify right side
    143,470.50x = 9,680,325,771.84
  5. Step 5: Solve for x
    x = 9,680,325,771.84/143,470.50
  6. Step 6: Final answer
    x = 67,472.59

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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.