Home / 177,585.40-245,010.99-126,606.43

Finding the Fourth Proportional to 177,585.40, 245,010.99 and 126,606.43

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Solution

The fourth proportional to 177,585.40, 245,010.99 and 126,606.43 is: 174,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,585.40 : 245,010.99 = 126,606.43 : x
  2. Step 2: Convert to fraction form
    177,585.40/245,010.99 = 126,606.43/x
  3. Step 3: Cross multiply
    177,585.40x = 245,010.99 × 126,606.43
  4. Step 4: Simplify right side
    177,585.40x = 31,019,966,754.67
  5. Step 5: Solve for x
    x = 31,019,966,754.67/177,585.40
  6. Step 6: Final answer
    x = 174,676.33

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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.