Home / 179,997.16-248,394.52-99,430.31

Finding the Fourth Proportional to 179,997.16, 248,394.52 and 99,430.31

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Solution

The fourth proportional to 179,997.16, 248,394.52 and 99,430.31 is: 137,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,997.16 : 248,394.52 = 99,430.31 : x
  2. Step 2: Convert to fraction form
    179,997.16/248,394.52 = 99,430.31/x
  3. Step 3: Cross multiply
    179,997.16x = 248,394.52 × 99,430.31
  4. Step 4: Simplify right side
    179,997.16x = 24,697,944,125.90
  5. Step 5: Solve for x
    x = 24,697,944,125.90/179,997.16
  6. Step 6: Final answer
    x = 137,212.97

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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.