Home / 187,624.16-258,918.72-102,741.20

Finding the Fourth Proportional to 187,624.16, 258,918.72 and 102,741.20

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Solution

The fourth proportional to 187,624.16, 258,918.72 and 102,741.20 is: 141,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,624.16 : 258,918.72 = 102,741.20 : x
  2. Step 2: Convert to fraction form
    187,624.16/258,918.72 = 102,741.20/x
  3. Step 3: Cross multiply
    187,624.16x = 258,918.72 × 102,741.20
  4. Step 4: Simplify right side
    187,624.16x = 26,601,619,995.26
  5. Step 5: Solve for x
    x = 26,601,619,995.26/187,624.16
  6. Step 6: Final answer
    x = 141,781.42

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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.