Home / 338,971.06-467,778.78-186,011.81

Finding the Fourth Proportional to 338,971.06, 467,778.78 and 186,011.81

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Solution

The fourth proportional to 338,971.06, 467,778.78 and 186,011.81 is: 256,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,971.06 : 467,778.78 = 186,011.81 : x
  2. Step 2: Convert to fraction form
    338,971.06/467,778.78 = 186,011.81/x
  3. Step 3: Cross multiply
    338,971.06x = 467,778.78 × 186,011.81
  4. Step 4: Simplify right side
    338,971.06x = 87,012,376,962.67
  5. Step 5: Solve for x
    x = 87,012,376,962.67/338,971.06
  6. Step 6: Final answer
    x = 256,695.59

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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.