Home / 177,213.80-265,383.30-117,727.40

Finding the Fourth Proportional to 177,213.80, 265,383.30 and 117,727.40

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Solution

The fourth proportional to 177,213.80, 265,383.30 and 117,727.40 is: 176,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,213.80 : 265,383.30 = 117,727.40 : x
  2. Step 2: Convert to fraction form
    177,213.80/265,383.30 = 117,727.40/x
  3. Step 3: Cross multiply
    177,213.80x = 265,383.30 × 117,727.40
  4. Step 4: Simplify right side
    177,213.80x = 31,242,885,912.42
  5. Step 5: Solve for x
    x = 31,242,885,912.42/177,213.80
  6. Step 6: Final answer
    x = 176,300.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.