Home / 194,943.60-268,878.15-123,254.37

Finding the Fourth Proportional to 194,943.60, 268,878.15 and 123,254.37

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Solution

The fourth proportional to 194,943.60, 268,878.15 and 123,254.37 is: 169,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,943.60 : 268,878.15 = 123,254.37 : x
  2. Step 2: Convert to fraction form
    194,943.60/268,878.15 = 123,254.37/x
  3. Step 3: Cross multiply
    194,943.60x = 268,878.15 × 123,254.37
  4. Step 4: Simplify right side
    194,943.60x = 33,140,406,985.02
  5. Step 5: Solve for x
    x = 33,140,406,985.02/194,943.60
  6. Step 6: Final answer
    x = 169,999.97

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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.