Home / 177,660.31-245,092.47-105,998.66

Finding the Fourth Proportional to 177,660.31, 245,092.47 and 105,998.66

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Solution

The fourth proportional to 177,660.31, 245,092.47 and 105,998.66 is: 146,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,660.31 : 245,092.47 = 105,998.66 : x
  2. Step 2: Convert to fraction form
    177,660.31/245,092.47 = 105,998.66/x
  3. Step 3: Cross multiply
    177,660.31x = 245,092.47 × 105,998.66
  4. Step 4: Simplify right side
    177,660.31x = 25,979,473,396.09
  5. Step 5: Solve for x
    x = 25,979,473,396.09/177,660.31
  6. Step 6: Final answer
    x = 146,231.17

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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.