Home / 256,731.66-354,262.43-141,992.07

Finding the Fourth Proportional to 256,731.66, 354,262.43 and 141,992.07

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Solution

The fourth proportional to 256,731.66, 354,262.43 and 141,992.07 is: 195,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,731.66 : 354,262.43 = 141,992.07 : x
  2. Step 2: Convert to fraction form
    256,731.66/354,262.43 = 141,992.07/x
  3. Step 3: Cross multiply
    256,731.66x = 354,262.43 × 141,992.07
  4. Step 4: Simplify right side
    256,731.66x = 50,302,455,531.69
  5. Step 5: Solve for x
    x = 50,302,455,531.69/256,731.66
  6. Step 6: Final answer
    x = 195,933.98

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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.