Home / 220,004.10-303,605.78-119,402.10

Finding the Fourth Proportional to 220,004.10, 303,605.78 and 119,402.10

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Solution

The fourth proportional to 220,004.10, 303,605.78 and 119,402.10 is: 164,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,004.10 : 303,605.78 = 119,402.10 : x
  2. Step 2: Convert to fraction form
    220,004.10/303,605.78 = 119,402.10/x
  3. Step 3: Cross multiply
    220,004.10x = 303,605.78 × 119,402.10
  4. Step 4: Simplify right side
    220,004.10x = 36,251,167,704.14
  5. Step 5: Solve for x
    x = 36,251,167,704.14/220,004.10
  6. Step 6: Final answer
    x = 164,774.96

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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.