Home / 499,826.70-749,732.67-120,744.18

Finding the Fourth Proportional to 499,826.70, 749,732.67 and 120,744.18

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Solution

The fourth proportional to 499,826.70, 749,732.67 and 120,744.18 is: 181,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,826.70 : 749,732.67 = 120,744.18 : x
  2. Step 2: Convert to fraction form
    499,826.70/749,732.67 = 120,744.18/x
  3. Step 3: Cross multiply
    499,826.70x = 749,732.67 × 120,744.18
  4. Step 4: Simplify right side
    499,826.70x = 90,525,856,458.36
  5. Step 5: Solve for x
    x = 90,525,856,458.36/499,826.70
  6. Step 6: Final answer
    x = 181,114.49

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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.