Home / 122,419.34-183,518.22-43,515.12

Finding the Fourth Proportional to 122,419.34, 183,518.22 and 43,515.12

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Solution

The fourth proportional to 122,419.34, 183,518.22 and 43,515.12 is: 65,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,419.34 : 183,518.22 = 43,515.12 : x
  2. Step 2: Convert to fraction form
    122,419.34/183,518.22 = 43,515.12/x
  3. Step 3: Cross multiply
    122,419.34x = 183,518.22 × 43,515.12
  4. Step 4: Simplify right side
    122,419.34x = 7,985,816,514.11
  5. Step 5: Solve for x
    x = 7,985,816,514.11/122,419.34
  6. Step 6: Final answer
    x = 65,233.29

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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.