Home / 122,362.74-183,505.22-83,171.70

Finding the Fourth Proportional to 122,362.74, 183,505.22 and 83,171.70

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Solution

The fourth proportional to 122,362.74, 183,505.22 and 83,171.70 is: 124,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,362.74 : 183,505.22 = 83,171.70 : x
  2. Step 2: Convert to fraction form
    122,362.74/183,505.22 = 83,171.70/x
  3. Step 3: Cross multiply
    122,362.74x = 183,505.22 × 83,171.70
  4. Step 4: Simplify right side
    122,362.74x = 15,262,441,106.27
  5. Step 5: Solve for x
    x = 15,262,441,106.27/122,362.74
  6. Step 6: Final answer
    x = 124,731.12

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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.