Home / 220,819.35-304,706.49-124,003.59

Finding the Fourth Proportional to 220,819.35, 304,706.49 and 124,003.59

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Solution

The fourth proportional to 220,819.35, 304,706.49 and 124,003.59 is: 171,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,819.35 : 304,706.49 = 124,003.59 : x
  2. Step 2: Convert to fraction form
    220,819.35/304,706.49 = 124,003.59/x
  3. Step 3: Cross multiply
    220,819.35x = 304,706.49 × 124,003.59
  4. Step 4: Simplify right side
    220,819.35x = 37,784,698,656.30
  5. Step 5: Solve for x
    x = 37,784,698,656.30/220,819.35
  6. Step 6: Final answer
    x = 171,111.36

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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.