Home / 272,480.30-376,022.81-151,629.38

Finding the Fourth Proportional to 272,480.30, 376,022.81 and 151,629.38

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Solution

The fourth proportional to 272,480.30, 376,022.81 and 151,629.38 is: 209,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,480.30 : 376,022.81 = 151,629.38 : x
  2. Step 2: Convert to fraction form
    272,480.30/376,022.81 = 151,629.38/x
  3. Step 3: Cross multiply
    272,480.30x = 376,022.81 × 151,629.38
  4. Step 4: Simplify right side
    272,480.30x = 57,016,105,546.16
  5. Step 5: Solve for x
    x = 57,016,105,546.16/272,480.30
  6. Step 6: Final answer
    x = 209,248.54

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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.