Home / 277,728.13-417,256.80-178,083.55

Finding the Fourth Proportional to 277,728.13, 417,256.80 and 178,083.55

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Solution

The fourth proportional to 277,728.13, 417,256.80 and 178,083.55 is: 267,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,728.13 : 417,256.80 = 178,083.55 : x
  2. Step 2: Convert to fraction form
    277,728.13/417,256.80 = 178,083.55/x
  3. Step 3: Cross multiply
    277,728.13x = 417,256.80 × 178,083.55
  4. Step 4: Simplify right side
    277,728.13x = 74,306,572,205.64
  5. Step 5: Solve for x
    x = 74,306,572,205.64/277,728.13
  6. Step 6: Final answer
    x = 267,551.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.