Home / 141,221.15-194,886.72-77,558.94

Finding the Fourth Proportional to 141,221.15, 194,886.72 and 77,558.94

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Solution

The fourth proportional to 141,221.15, 194,886.72 and 77,558.94 is: 107,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,221.15 : 194,886.72 = 77,558.94 : x
  2. Step 2: Convert to fraction form
    141,221.15/194,886.72 = 77,558.94/x
  3. Step 3: Cross multiply
    141,221.15x = 194,886.72 × 77,558.94
  4. Step 4: Simplify right side
    141,221.15x = 15,115,207,423.28
  5. Step 5: Solve for x
    x = 15,115,207,423.28/141,221.15
  6. Step 6: Final answer
    x = 107,032.18

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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.