Home / 122,156.24-183,189.33-42,173.85

Finding the Fourth Proportional to 122,156.24, 183,189.33 and 42,173.85

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Solution

The fourth proportional to 122,156.24, 183,189.33 and 42,173.85 is: 63,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,156.24 : 183,189.33 = 42,173.85 : x
  2. Step 2: Convert to fraction form
    122,156.24/183,189.33 = 42,173.85/x
  3. Step 3: Cross multiply
    122,156.24x = 183,189.33 × 42,173.85
  4. Step 4: Simplify right side
    122,156.24x = 7,725,799,325.02
  5. Step 5: Solve for x
    x = 7,725,799,325.02/122,156.24
  6. Step 6: Final answer
    x = 63,245.23

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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.