Home / 177,823.23-245,635.70-142,267.47

Finding the Fourth Proportional to 177,823.23, 245,635.70 and 142,267.47

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Solution

The fourth proportional to 177,823.23, 245,635.70 and 142,267.47 is: 196,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,823.23 : 245,635.70 = 142,267.47 : x
  2. Step 2: Convert to fraction form
    177,823.23/245,635.70 = 142,267.47/x
  3. Step 3: Cross multiply
    177,823.23x = 245,635.70 × 142,267.47
  4. Step 4: Simplify right side
    177,823.23x = 34,945,969,580.68
  5. Step 5: Solve for x
    x = 34,945,969,580.68/177,823.23
  6. Step 6: Final answer
    x = 196,520.83

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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.