Home / 276,918.73-382,147.36-149,593.93

Finding the Fourth Proportional to 276,918.73, 382,147.36 and 149,593.93

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Solution

The fourth proportional to 276,918.73, 382,147.36 and 149,593.93 is: 206,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,918.73 : 382,147.36 = 149,593.93 : x
  2. Step 2: Convert to fraction form
    276,918.73/382,147.36 = 149,593.93/x
  3. Step 3: Cross multiply
    276,918.73x = 382,147.36 × 149,593.93
  4. Step 4: Simplify right side
    276,918.73x = 57,166,925,421.52
  5. Step 5: Solve for x
    x = 57,166,925,421.52/276,918.73
  6. Step 6: Final answer
    x = 206,439.36

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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.