Home / 276,890.63-382,109.22-149,566.22

Finding the Fourth Proportional to 276,890.63, 382,109.22 and 149,566.22

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Solution

The fourth proportional to 276,890.63, 382,109.22 and 149,566.22 is: 206,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,890.63 : 382,109.22 = 149,566.22 : x
  2. Step 2: Convert to fraction form
    276,890.63/382,109.22 = 149,566.22/x
  3. Step 3: Cross multiply
    276,890.63x = 382,109.22 × 149,566.22
  4. Step 4: Simplify right side
    276,890.63x = 57,150,631,184.91
  5. Step 5: Solve for x
    x = 57,150,631,184.91/276,890.63
  6. Step 6: Final answer
    x = 206,401.47

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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.