Home / 226,428.30-312,473.47-123,062.49

Finding the Fourth Proportional to 226,428.30, 312,473.47 and 123,062.49

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Solution

The fourth proportional to 226,428.30, 312,473.47 and 123,062.49 is: 169,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,428.30 : 312,473.47 = 123,062.49 : x
  2. Step 2: Convert to fraction form
    226,428.30/312,473.47 = 123,062.49/x
  3. Step 3: Cross multiply
    226,428.30x = 312,473.47 × 123,062.49
  4. Step 4: Simplify right side
    226,428.30x = 38,453,763,546.34
  5. Step 5: Solve for x
    x = 38,453,763,546.34/226,428.30
  6. Step 6: Final answer
    x = 169,827.55

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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.