Home / 149,126.97-223,666.31-47,920.25

Finding the Fourth Proportional to 149,126.97, 223,666.31 and 47,920.25

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Solution

The fourth proportional to 149,126.97, 223,666.31 and 47,920.25 is: 71,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,126.97 : 223,666.31 = 47,920.25 : x
  2. Step 2: Convert to fraction form
    149,126.97/223,666.31 = 47,920.25/x
  3. Step 3: Cross multiply
    149,126.97x = 223,666.31 × 47,920.25
  4. Step 4: Simplify right side
    149,126.97x = 10,718,144,133.84
  5. Step 5: Solve for x
    x = 10,718,144,133.84/149,126.97
  6. Step 6: Final answer
    x = 71,872.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.