Home / 220,755.33-304,642.94-125,261.77

Finding the Fourth Proportional to 220,755.33, 304,642.94 and 125,261.77

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Solution

The fourth proportional to 220,755.33, 304,642.94 and 125,261.77 is: 172,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,755.33 : 304,642.94 = 125,261.77 : x
  2. Step 2: Convert to fraction form
    220,755.33/304,642.94 = 125,261.77/x
  3. Step 3: Cross multiply
    220,755.33x = 304,642.94 × 125,261.77
  4. Step 4: Simplify right side
    220,755.33x = 38,160,113,882.40
  5. Step 5: Solve for x
    x = 38,160,113,882.40/220,755.33
  6. Step 6: Final answer
    x = 172,861.57

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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.