Home / 179,971.82-248,356.36-99,397.62

Finding the Fourth Proportional to 179,971.82, 248,356.36 and 99,397.62

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Solution

The fourth proportional to 179,971.82, 248,356.36 and 99,397.62 is: 137,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,971.82 : 248,356.36 = 99,397.62 : x
  2. Step 2: Convert to fraction form
    179,971.82/248,356.36 = 99,397.62/x
  3. Step 3: Cross multiply
    179,971.82x = 248,356.36 × 99,397.62
  4. Step 4: Simplify right side
    179,971.82x = 24,686,031,095.86
  5. Step 5: Solve for x
    x = 24,686,031,095.86/179,971.82
  6. Step 6: Final answer
    x = 137,166.09

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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.