Home / 220,710.98-304,560.07-123,892.66

Finding the Fourth Proportional to 220,710.98, 304,560.07 and 123,892.66

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Solution

The fourth proportional to 220,710.98, 304,560.07 and 123,892.66 is: 170,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,710.98 : 304,560.07 = 123,892.66 : x
  2. Step 2: Convert to fraction form
    220,710.98/304,560.07 = 123,892.66/x
  3. Step 3: Cross multiply
    220,710.98x = 304,560.07 × 123,892.66
  4. Step 4: Simplify right side
    220,710.98x = 37,732,757,202.09
  5. Step 5: Solve for x
    x = 37,732,757,202.09/220,710.98
  6. Step 6: Final answer
    x = 170,960.04

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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.