Home / 327,780.49-452,336.95-191,840.32

Finding the Fourth Proportional to 327,780.49, 452,336.95 and 191,840.32

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Solution

The fourth proportional to 327,780.49, 452,336.95 and 191,840.32 is: 264,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,780.49 : 452,336.95 = 191,840.32 : x
  2. Step 2: Convert to fraction form
    327,780.49/452,336.95 = 191,840.32/x
  3. Step 3: Cross multiply
    327,780.49x = 452,336.95 × 191,840.32
  4. Step 4: Simplify right side
    327,780.49x = 86,776,463,625.38
  5. Step 5: Solve for x
    x = 86,776,463,625.38/327,780.49
  6. Step 6: Final answer
    x = 264,739.56

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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.