Home / 220,276.41-303,996.47-124,783.89

Finding the Fourth Proportional to 220,276.41, 303,996.47 and 124,783.89

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Solution

The fourth proportional to 220,276.41, 303,996.47 and 124,783.89 is: 172,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,276.41 : 303,996.47 = 124,783.89 : x
  2. Step 2: Convert to fraction form
    220,276.41/303,996.47 = 124,783.89/x
  3. Step 3: Cross multiply
    220,276.41x = 303,996.47 × 124,783.89
  4. Step 4: Simplify right side
    220,276.41x = 37,933,862,072.87
  5. Step 5: Solve for x
    x = 37,933,862,072.87/220,276.41
  6. Step 6: Final answer
    x = 172,210.28

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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.