Home / 191,523.21-264,310.20-106,640.25

Finding the Fourth Proportional to 191,523.21, 264,310.20 and 106,640.25

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Solution

The fourth proportional to 191,523.21, 264,310.20 and 106,640.25 is: 147,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,523.21 : 264,310.20 = 106,640.25 : x
  2. Step 2: Convert to fraction form
    191,523.21/264,310.20 = 106,640.25/x
  3. Step 3: Cross multiply
    191,523.21x = 264,310.20 × 106,640.25
  4. Step 4: Simplify right side
    191,523.21x = 28,186,105,805.55
  5. Step 5: Solve for x
    x = 28,186,105,805.55/191,523.21
  6. Step 6: Final answer
    x = 147,168.09

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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.