Home / 132,811.11-183,281.74-76,222.49

Finding the Fourth Proportional to 132,811.11, 183,281.74 and 76,222.49

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Solution

The fourth proportional to 132,811.11, 183,281.74 and 76,222.49 is: 105,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,811.11 : 183,281.74 = 76,222.49 : x
  2. Step 2: Convert to fraction form
    132,811.11/183,281.74 = 76,222.49/x
  3. Step 3: Cross multiply
    132,811.11x = 183,281.74 × 76,222.49
  4. Step 4: Simplify right side
    132,811.11x = 13,970,189,487.37
  5. Step 5: Solve for x
    x = 13,970,189,487.37/132,811.11
  6. Step 6: Final answer
    x = 105,188.41

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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.