Home / 178,718.34-246,494.64-121,401.85

Finding the Fourth Proportional to 178,718.34, 246,494.64 and 121,401.85

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Solution

The fourth proportional to 178,718.34, 246,494.64 and 121,401.85 is: 167,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,718.34 : 246,494.64 = 121,401.85 : x
  2. Step 2: Convert to fraction form
    178,718.34/246,494.64 = 121,401.85/x
  3. Step 3: Cross multiply
    178,718.34x = 246,494.64 × 121,401.85
  4. Step 4: Simplify right side
    178,718.34x = 29,924,905,311.08
  5. Step 5: Solve for x
    x = 29,924,905,311.08/178,718.34
  6. Step 6: Final answer
    x = 167,441.71

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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.