Home / 286,173.10-394,936.80-158,850.82

Finding the Fourth Proportional to 286,173.10, 394,936.80 and 158,850.82

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Solution

The fourth proportional to 286,173.10, 394,936.80 and 158,850.82 is: 219,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,173.10 : 394,936.80 = 158,850.82 : x
  2. Step 2: Convert to fraction form
    286,173.10/394,936.80 = 158,850.82/x
  3. Step 3: Cross multiply
    286,173.10x = 394,936.80 × 158,850.82
  4. Step 4: Simplify right side
    286,173.10x = 62,736,034,528.18
  5. Step 5: Solve for x
    x = 62,736,034,528.18/286,173.10
  6. Step 6: Final answer
    x = 219,224.08

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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.