Home / 141,211.54-194,899.53-87,520.42

Finding the Fourth Proportional to 141,211.54, 194,899.53 and 87,520.42

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Solution

The fourth proportional to 141,211.54, 194,899.53 and 87,520.42 is: 120,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,211.54 : 194,899.53 = 87,520.42 : x
  2. Step 2: Convert to fraction form
    141,211.54/194,899.53 = 87,520.42/x
  3. Step 3: Cross multiply
    141,211.54x = 194,899.53 × 87,520.42
  4. Step 4: Simplify right side
    141,211.54x = 17,057,688,723.40
  5. Step 5: Solve for x
    x = 17,057,688,723.40/141,211.54
  6. Step 6: Final answer
    x = 120,795.29

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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.