Home / 272,936.58-376,653.98-158,283.20

Finding the Fourth Proportional to 272,936.58, 376,653.98 and 158,283.20

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Solution

The fourth proportional to 272,936.58, 376,653.98 and 158,283.20 is: 218,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,936.58 : 376,653.98 = 158,283.20 : x
  2. Step 2: Convert to fraction form
    272,936.58/376,653.98 = 158,283.20/x
  3. Step 3: Cross multiply
    272,936.58x = 376,653.98 × 158,283.20
  4. Step 4: Simplify right side
    272,936.58x = 59,617,997,669.40
  5. Step 5: Solve for x
    x = 59,617,997,669.40/272,936.58
  6. Step 6: Final answer
    x = 218,431.69

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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.