Home / 177,057.09-265,615.05-70,442.06

Finding the Fourth Proportional to 177,057.09, 265,615.05 and 70,442.06

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Solution

The fourth proportional to 177,057.09, 265,615.05 and 70,442.06 is: 105,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,057.09 : 265,615.05 = 70,442.06 : x
  2. Step 2: Convert to fraction form
    177,057.09/265,615.05 = 70,442.06/x
  3. Step 3: Cross multiply
    177,057.09x = 265,615.05 × 70,442.06
  4. Step 4: Simplify right side
    177,057.09x = 18,710,469,828.85
  5. Step 5: Solve for x
    x = 18,710,469,828.85/177,057.09
  6. Step 6: Final answer
    x = 105,674.78

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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.