Home / 141,178.03-194,916.86-87,520.39

Finding the Fourth Proportional to 141,178.03, 194,916.86 and 87,520.39

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Solution

The fourth proportional to 141,178.03, 194,916.86 and 87,520.39 is: 120,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178.03 : 194,916.86 = 87,520.39 : x
  2. Step 2: Convert to fraction form
    141,178.03/194,916.86 = 87,520.39/x
  3. Step 3: Cross multiply
    141,178.03x = 194,916.86 × 87,520.39
  4. Step 4: Simplify right side
    141,178.03x = 17,059,199,604.78
  5. Step 5: Solve for x
    x = 17,059,199,604.78/141,178.03
  6. Step 6: Final answer
    x = 120,834.66

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1.5x scale

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.