Home / 177,741.86-245,286.70-106,128.14

Finding the Fourth Proportional to 177,741.86, 245,286.70 and 106,128.14

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Solution

The fourth proportional to 177,741.86, 245,286.70 and 106,128.14 is: 146,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,741.86 : 245,286.70 = 106,128.14 : x
  2. Step 2: Convert to fraction form
    177,741.86/245,286.70 = 106,128.14/x
  3. Step 3: Cross multiply
    177,741.86x = 245,286.70 × 106,128.14
  4. Step 4: Simplify right side
    177,741.86x = 26,031,821,585.63
  5. Step 5: Solve for x
    x = 26,031,821,585.63/177,741.86
  6. Step 6: Final answer
    x = 146,458.58

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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.