Home / 187,595.43-258,853.80-113,969.64

Finding the Fourth Proportional to 187,595.43, 258,853.80 and 113,969.64

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Solution

The fourth proportional to 187,595.43, 258,853.80 and 113,969.64 is: 157,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,595.43 : 258,853.80 = 113,969.64 : x
  2. Step 2: Convert to fraction form
    187,595.43/258,853.80 = 113,969.64/x
  3. Step 3: Cross multiply
    187,595.43x = 258,853.80 × 113,969.64
  4. Step 4: Simplify right side
    187,595.43x = 29,501,474,398.63
  5. Step 5: Solve for x
    x = 29,501,474,398.63/187,595.43
  6. Step 6: Final answer
    x = 157,261.16

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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.