Home / 217,777.41-300,480.23-127,081.60

Finding the Fourth Proportional to 217,777.41, 300,480.23 and 127,081.60

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Solution

The fourth proportional to 217,777.41, 300,480.23 and 127,081.60 is: 175,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,777.41 : 300,480.23 = 127,081.60 : x
  2. Step 2: Convert to fraction form
    217,777.41/300,480.23 = 127,081.60/x
  3. Step 3: Cross multiply
    217,777.41x = 300,480.23 × 127,081.60
  4. Step 4: Simplify right side
    217,777.41x = 38,185,507,963.27
  5. Step 5: Solve for x
    x = 38,185,507,963.27/217,777.41
  6. Step 6: Final answer
    x = 175,341.91

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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.