Home / 256,623.24-354,185.82-154,666.92

Finding the Fourth Proportional to 256,623.24, 354,185.82 and 154,666.92

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Solution

The fourth proportional to 256,623.24, 354,185.82 and 154,666.92 is: 213,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,623.24 : 354,185.82 = 154,666.92 : x
  2. Step 2: Convert to fraction form
    256,623.24/354,185.82 = 154,666.92/x
  3. Step 3: Cross multiply
    256,623.24x = 354,185.82 × 154,666.92
  4. Step 4: Simplify right side
    256,623.24x = 54,780,829,887.07
  5. Step 5: Solve for x
    x = 54,780,829,887.07/256,623.24
  6. Step 6: Final answer
    x = 213,467.92

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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.