Home / 122,314.34-183,499.11-43,428.57

Finding the Fourth Proportional to 122,314.34, 183,499.11 and 43,428.57

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Solution

The fourth proportional to 122,314.34, 183,499.11 and 43,428.57 is: 65,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,314.34 : 183,499.11 = 43,428.57 : x
  2. Step 2: Convert to fraction form
    122,314.34/183,499.11 = 43,428.57/x
  3. Step 3: Cross multiply
    122,314.34x = 183,499.11 × 43,428.57
  4. Step 4: Simplify right side
    122,314.34x = 7,969,103,943.57
  5. Step 5: Solve for x
    x = 7,969,103,943.57/122,314.34
  6. Step 6: Final answer
    x = 65,152.66

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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.