Home / 122,110.90-183,166.35-121,333.30

Finding the Fourth Proportional to 122,110.90, 183,166.35 and 121,333.30

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Solution

The fourth proportional to 122,110.90, 183,166.35 and 121,333.30 is: 181,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,110.90 : 183,166.35 = 121,333.30 : x
  2. Step 2: Convert to fraction form
    122,110.90/183,166.35 = 121,333.30/x
  3. Step 3: Cross multiply
    122,110.90x = 183,166.35 × 121,333.30
  4. Step 4: Simplify right side
    122,110.90x = 22,224,177,694.46
  5. Step 5: Solve for x
    x = 22,224,177,694.46/122,110.90
  6. Step 6: Final answer
    x = 181,999.95

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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.