Home / 206,174.53-284,521.85-134,512.21

Finding the Fourth Proportional to 206,174.53, 284,521.85 and 134,512.21

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Solution

The fourth proportional to 206,174.53, 284,521.85 and 134,512.21 is: 185,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,174.53 : 284,521.85 = 134,512.21 : x
  2. Step 2: Convert to fraction form
    206,174.53/284,521.85 = 134,512.21/x
  3. Step 3: Cross multiply
    206,174.53x = 284,521.85 × 134,512.21
  4. Step 4: Simplify right side
    206,174.53x = 38,271,662,836.79
  5. Step 5: Solve for x
    x = 38,271,662,836.79/206,174.53
  6. Step 6: Final answer
    x = 185,627.50

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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.