Home / 187,659.48-258,905.75-107,029.02

Finding the Fourth Proportional to 187,659.48, 258,905.75 and 107,029.02

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Solution

The fourth proportional to 187,659.48, 258,905.75 and 107,029.02 is: 147,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,659.48 : 258,905.75 = 107,029.02 : x
  2. Step 2: Convert to fraction form
    187,659.48/258,905.75 = 107,029.02/x
  3. Step 3: Cross multiply
    187,659.48x = 258,905.75 × 107,029.02
  4. Step 4: Simplify right side
    187,659.48x = 27,710,428,159.72
  5. Step 5: Solve for x
    x = 27,710,428,159.72/187,659.48
  6. Step 6: Final answer
    x = 147,663.35

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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.