Home / 133,052.13-183,611.94-90,684.67

Finding the Fourth Proportional to 133,052.13, 183,611.94 and 90,684.67

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Solution

The fourth proportional to 133,052.13, 183,611.94 and 90,684.67 is: 125,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.13 : 183,611.94 = 90,684.67 : x
  2. Step 2: Convert to fraction form
    133,052.13/183,611.94 = 90,684.67/x
  3. Step 3: Cross multiply
    133,052.13x = 183,611.94 × 90,684.67
  4. Step 4: Simplify right side
    133,052.13x = 16,650,788,186.96
  5. Step 5: Solve for x
    x = 16,650,788,186.96/133,052.13
  6. Step 6: Final answer
    x = 125,144.85

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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.