Home / 122,529.10-183,793.65-111,642.70

Finding the Fourth Proportional to 122,529.10, 183,793.65 and 111,642.70

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Solution

The fourth proportional to 122,529.10, 183,793.65 and 111,642.70 is: 167,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,529.10 : 183,793.65 = 111,642.70 : x
  2. Step 2: Convert to fraction form
    122,529.10/183,793.65 = 111,642.70/x
  3. Step 3: Cross multiply
    122,529.10x = 183,793.65 × 111,642.70
  4. Step 4: Simplify right side
    122,529.10x = 20,519,219,328.86
  5. Step 5: Solve for x
    x = 20,519,219,328.86/122,529.10
  6. Step 6: Final answer
    x = 167,464.05

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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.