Home / 177,564.54-245,032.86-105,907.49

Finding the Fourth Proportional to 177,564.54, 245,032.86 and 105,907.49

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Solution

The fourth proportional to 177,564.54, 245,032.86 and 105,907.49 is: 146,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,564.54 : 245,032.86 = 105,907.49 : x
  2. Step 2: Convert to fraction form
    177,564.54/245,032.86 = 105,907.49/x
  3. Step 3: Cross multiply
    177,564.54x = 245,032.86 × 105,907.49
  4. Step 4: Simplify right side
    177,564.54x = 25,950,815,170.12
  5. Step 5: Solve for x
    x = 25,950,815,170.12/177,564.54
  6. Step 6: Final answer
    x = 146,148.64

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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.