Home / 178,221.42-245,945.48-106,618.26

Finding the Fourth Proportional to 178,221.42, 245,945.48 and 106,618.26

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Solution

The fourth proportional to 178,221.42, 245,945.48 and 106,618.26 is: 147,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,221.42 : 245,945.48 = 106,618.26 : x
  2. Step 2: Convert to fraction form
    178,221.42/245,945.48 = 106,618.26/x
  3. Step 3: Cross multiply
    178,221.42x = 245,945.48 × 106,618.26
  4. Step 4: Simplify right side
    178,221.42x = 26,222,279,132.46
  5. Step 5: Solve for x
    x = 26,222,279,132.46/178,221.42
  6. Step 6: Final answer
    x = 147,133.15

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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.