Home / 119,840.42-179,735.92-56,633.70

Finding the Fourth Proportional to 119,840.42, 179,735.92 and 56,633.70

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Solution

The fourth proportional to 119,840.42, 179,735.92 and 56,633.70 is: 84,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,840.42 : 179,735.92 = 56,633.70 : x
  2. Step 2: Convert to fraction form
    119,840.42/179,735.92 = 56,633.70/x
  3. Step 3: Cross multiply
    119,840.42x = 179,735.92 × 56,633.70
  4. Step 4: Simplify right side
    119,840.42x = 10,179,110,172.50
  5. Step 5: Solve for x
    x = 10,179,110,172.50/119,840.42
  6. Step 6: Final answer
    x = 84,938.87

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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.