Home / 220,207.05-303,875.55-124,714.49

Finding the Fourth Proportional to 220,207.05, 303,875.55 and 124,714.49

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Solution

The fourth proportional to 220,207.05, 303,875.55 and 124,714.49 is: 172,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,207.05 : 303,875.55 = 124,714.49 : x
  2. Step 2: Convert to fraction form
    220,207.05/303,875.55 = 124,714.49/x
  3. Step 3: Cross multiply
    220,207.05x = 303,875.55 × 124,714.49
  4. Step 4: Simplify right side
    220,207.05x = 37,897,682,722.34
  5. Step 5: Solve for x
    x = 37,897,682,722.34/220,207.05
  6. Step 6: Final answer
    x = 172,100.22

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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.