Home / 220,076.71-303,713.08-124,581.35

Finding the Fourth Proportional to 220,076.71, 303,713.08 and 124,581.35

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Solution

The fourth proportional to 220,076.71, 303,713.08 and 124,581.35 is: 171,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,076.71 : 303,713.08 = 124,581.35 : x
  2. Step 2: Convert to fraction form
    220,076.71/303,713.08 = 124,581.35/x
  3. Step 3: Cross multiply
    220,076.71x = 303,713.08 × 124,581.35
  4. Step 4: Simplify right side
    220,076.71x = 37,836,985,966.89
  5. Step 5: Solve for x
    x = 37,836,985,966.89/220,076.71
  6. Step 6: Final answer
    x = 171,926.35

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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.