Home / 141,305.31-194,953.11-87,570.72

Finding the Fourth Proportional to 141,305.31, 194,953.11 and 87,570.72

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Solution

The fourth proportional to 141,305.31, 194,953.11 and 87,570.72 is: 120,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,305.31 : 194,953.11 = 87,570.72 : x
  2. Step 2: Convert to fraction form
    141,305.31/194,953.11 = 87,570.72/x
  3. Step 3: Cross multiply
    141,305.31x = 194,953.11 × 87,570.72
  4. Step 4: Simplify right side
    141,305.31x = 17,072,184,208.94
  5. Step 5: Solve for x
    x = 17,072,184,208.94/141,305.31
  6. Step 6: Final answer
    x = 120,817.71

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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.