Home / 212,645.16-293,463.60-117,151.86

Finding the Fourth Proportional to 212,645.16, 293,463.60 and 117,151.86

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Solution

The fourth proportional to 212,645.16, 293,463.60 and 117,151.86 is: 161,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,645.16 : 293,463.60 = 117,151.86 : x
  2. Step 2: Convert to fraction form
    212,645.16/293,463.60 = 117,151.86/x
  3. Step 3: Cross multiply
    212,645.16x = 293,463.60 × 117,151.86
  4. Step 4: Simplify right side
    212,645.16x = 34,379,806,582.30
  5. Step 5: Solve for x
    x = 34,379,806,582.30/212,645.16
  6. Step 6: Final answer
    x = 161,676.88

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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.