Home / 122,336.85-183,505.28-103,674.45

Finding the Fourth Proportional to 122,336.85, 183,505.28 and 103,674.45

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Solution

The fourth proportional to 122,336.85, 183,505.28 and 103,674.45 is: 155,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,336.85 : 183,505.28 = 103,674.45 : x
  2. Step 2: Convert to fraction form
    122,336.85/183,505.28 = 103,674.45/x
  3. Step 3: Cross multiply
    122,336.85x = 183,505.28 × 103,674.45
  4. Step 4: Simplify right side
    122,336.85x = 19,024,808,976.10
  5. Step 5: Solve for x
    x = 19,024,808,976.10/122,336.85
  6. Step 6: Final answer
    x = 155,511.68

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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.