Home / 177,736.78-245,418.15-109,852.30

Finding the Fourth Proportional to 177,736.78, 245,418.15 and 109,852.30

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Solution

The fourth proportional to 177,736.78, 245,418.15 and 109,852.30 is: 151,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,736.78 : 245,418.15 = 109,852.30 : x
  2. Step 2: Convert to fraction form
    177,736.78/245,418.15 = 109,852.30/x
  3. Step 3: Cross multiply
    177,736.78x = 245,418.15 × 109,852.30
  4. Step 4: Simplify right side
    177,736.78x = 26,959,748,239.25
  5. Step 5: Solve for x
    x = 26,959,748,239.25/177,736.78
  6. Step 6: Final answer
    x = 151,683.56

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1.5x scale

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.