Home / 140,917.86-194,466.60-77,254.29

Finding the Fourth Proportional to 140,917.86, 194,466.60 and 77,254.29

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Solution

The fourth proportional to 140,917.86, 194,466.60 and 77,254.29 is: 106,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.86 : 194,466.60 = 77,254.29 : x
  2. Step 2: Convert to fraction form
    140,917.86/194,466.60 = 77,254.29/x
  3. Step 3: Cross multiply
    140,917.86x = 194,466.60 × 77,254.29
  4. Step 4: Simplify right side
    140,917.86x = 15,023,379,111.71
  5. Step 5: Solve for x
    x = 15,023,379,111.71/140,917.86
  6. Step 6: Final answer
    x = 106,610.89

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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.