Home / 129,700.56-194,601.60-50,801.16

Finding the Fourth Proportional to 129,700.56, 194,601.60 and 50,801.16

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Solution

The fourth proportional to 129,700.56, 194,601.60 and 50,801.16 is: 76,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,700.56 : 194,601.60 = 50,801.16 : x
  2. Step 2: Convert to fraction form
    129,700.56/194,601.60 = 50,801.16/x
  3. Step 3: Cross multiply
    129,700.56x = 194,601.60 × 50,801.16
  4. Step 4: Simplify right side
    129,700.56x = 9,885,987,017.86
  5. Step 5: Solve for x
    x = 9,885,987,017.86/129,700.56
  6. Step 6: Final answer
    x = 76,221.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.