Home / 179,985.96-248,382.54-99,415.53

Finding the Fourth Proportional to 179,985.96, 248,382.54 and 99,415.53

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Solution

The fourth proportional to 179,985.96, 248,382.54 and 99,415.53 is: 137,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,985.96 : 248,382.54 = 99,415.53 : x
  2. Step 2: Convert to fraction form
    179,985.96/248,382.54 = 99,415.53/x
  3. Step 3: Cross multiply
    179,985.96x = 248,382.54 × 99,415.53
  4. Step 4: Simplify right side
    179,985.96x = 24,693,081,856.85
  5. Step 5: Solve for x
    x = 24,693,081,856.85/179,985.96
  6. Step 6: Final answer
    x = 137,194.49

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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.