Home / 187,660.98-258,907.82-107,030.52

Finding the Fourth Proportional to 187,660.98, 258,907.82 and 107,030.52

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Solution

The fourth proportional to 187,660.98, 258,907.82 and 107,030.52 is: 147,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,660.98 : 258,907.82 = 107,030.52 : x
  2. Step 2: Convert to fraction form
    187,660.98/258,907.82 = 107,030.52/x
  3. Step 3: Cross multiply
    187,660.98x = 258,907.82 × 107,030.52
  4. Step 4: Simplify right side
    187,660.98x = 27,711,038,071.51
  5. Step 5: Solve for x
    x = 27,711,038,071.51/187,660.98
  6. Step 6: Final answer
    x = 147,665.42

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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.