Home / 109,420.20-150,620.58-94,362.84

Finding the Fourth Proportional to 109,420.20, 150,620.58 and 94,362.84

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Solution

The fourth proportional to 109,420.20, 150,620.58 and 94,362.84 is: 129,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,420.20 : 150,620.58 = 94,362.84 : x
  2. Step 2: Convert to fraction form
    109,420.20/150,620.58 = 94,362.84/x
  3. Step 3: Cross multiply
    109,420.20x = 150,620.58 × 94,362.84
  4. Step 4: Simplify right side
    109,420.20x = 14,212,985,691.25
  5. Step 5: Solve for x
    x = 14,212,985,691.25/109,420.20
  6. Step 6: Final answer
    x = 129,893.62

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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.