Home / 220,076.20-303,712.40-124,580.84

Finding the Fourth Proportional to 220,076.20, 303,712.40 and 124,580.84

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Solution

The fourth proportional to 220,076.20, 303,712.40 and 124,580.84 is: 171,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,076.20 : 303,712.40 = 124,580.84 : x
  2. Step 2: Convert to fraction form
    220,076.20/303,712.40 = 124,580.84/x
  3. Step 3: Cross multiply
    220,076.20x = 303,712.40 × 124,580.84
  4. Step 4: Simplify right side
    220,076.20x = 37,836,745,910.42
  5. Step 5: Solve for x
    x = 37,836,745,910.42/220,076.20
  6. Step 6: Final answer
    x = 171,925.66

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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.