Home / 104,213.28-156,341.80-34,087.12

Finding the Fourth Proportional to 104,213.28, 156,341.80 and 34,087.12

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Solution

The fourth proportional to 104,213.28, 156,341.80 and 34,087.12 is: 51,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,213.28 : 156,341.80 = 34,087.12 : x
  2. Step 2: Convert to fraction form
    104,213.28/156,341.80 = 34,087.12/x
  3. Step 3: Cross multiply
    104,213.28x = 156,341.80 × 34,087.12
  4. Step 4: Simplify right side
    104,213.28x = 5,329,241,697.62
  5. Step 5: Solve for x
    x = 5,329,241,697.62/104,213.28
  6. Step 6: Final answer
    x = 51,137.84

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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.