Home / 277,178.12-382,505.84-149,853.68

Finding the Fourth Proportional to 277,178.12, 382,505.84 and 149,853.68

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Solution

The fourth proportional to 277,178.12, 382,505.84 and 149,853.68 is: 206,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,178.12 : 382,505.84 = 149,853.68 : x
  2. Step 2: Convert to fraction form
    277,178.12/382,505.84 = 149,853.68/x
  3. Step 3: Cross multiply
    277,178.12x = 382,505.84 × 149,853.68
  4. Step 4: Simplify right side
    277,178.12x = 57,319,907,745.49
  5. Step 5: Solve for x
    x = 57,319,907,745.49/277,178.12
  6. Step 6: Final answer
    x = 206,798.10

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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.