Home / 133,166.23-183,774.86-76,577.61

Finding the Fourth Proportional to 133,166.23, 183,774.86 and 76,577.61

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Solution

The fourth proportional to 133,166.23, 183,774.86 and 76,577.61 is: 105,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,166.23 : 183,774.86 = 76,577.61 : x
  2. Step 2: Convert to fraction form
    133,166.23/183,774.86 = 76,577.61/x
  3. Step 3: Cross multiply
    133,166.23x = 183,774.86 × 76,577.61
  4. Step 4: Simplify right side
    133,166.23x = 14,073,039,556.88
  5. Step 5: Solve for x
    x = 14,073,039,556.88/133,166.23
  6. Step 6: Final answer
    x = 105,680.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.