Home / 122,505.15-183,511.68-55,853.59

Finding the Fourth Proportional to 122,505.15, 183,511.68 and 55,853.59

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Solution

The fourth proportional to 122,505.15, 183,511.68 and 55,853.59 is: 83,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,505.15 : 183,511.68 = 55,853.59 : x
  2. Step 2: Convert to fraction form
    122,505.15/183,511.68 = 55,853.59/x
  3. Step 3: Cross multiply
    122,505.15x = 183,511.68 × 55,853.59
  4. Step 4: Simplify right side
    122,505.15x = 10,249,785,906.17
  5. Step 5: Solve for x
    x = 10,249,785,906.17/122,505.15
  6. Step 6: Final answer
    x = 83,668.21

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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.