Home / 276,891.56-382,110.51-149,567.16

Finding the Fourth Proportional to 276,891.56, 382,110.51 and 149,567.16

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Solution

The fourth proportional to 276,891.56, 382,110.51 and 149,567.16 is: 206,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,891.56 : 382,110.51 = 149,567.16 : x
  2. Step 2: Convert to fraction form
    276,891.56/382,110.51 = 149,567.16/x
  3. Step 3: Cross multiply
    276,891.56x = 382,110.51 × 149,567.16
  4. Step 4: Simplify right side
    276,891.56x = 57,151,183,786.85
  5. Step 5: Solve for x
    x = 57,151,183,786.85/276,891.56
  6. Step 6: Final answer
    x = 206,402.77

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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.