Home / 122,233.28-183,402.21-51,172.52

Finding the Fourth Proportional to 122,233.28, 183,402.21 and 51,172.52

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Solution

The fourth proportional to 122,233.28, 183,402.21 and 51,172.52 is: 76,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,233.28 : 183,402.21 = 51,172.52 : x
  2. Step 2: Convert to fraction form
    122,233.28/183,402.21 = 51,172.52/x
  3. Step 3: Cross multiply
    122,233.28x = 183,402.21 × 51,172.52
  4. Step 4: Simplify right side
    122,233.28x = 9,385,153,259.27
  5. Step 5: Solve for x
    x = 9,385,153,259.27/122,233.28
  6. Step 6: Final answer
    x = 76,780.67

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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.