Home / 187,459.56-258,698.38-102,576.60

Finding the Fourth Proportional to 187,459.56, 258,698.38 and 102,576.60

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Solution

The fourth proportional to 187,459.56, 258,698.38 and 102,576.60 is: 141,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,459.56 : 258,698.38 = 102,576.60 : x
  2. Step 2: Convert to fraction form
    187,459.56/258,698.38 = 102,576.60/x
  3. Step 3: Cross multiply
    187,459.56x = 258,698.38 × 102,576.60
  4. Step 4: Simplify right side
    187,459.56x = 26,536,400,245.91
  5. Step 5: Solve for x
    x = 26,536,400,245.91/187,459.56
  6. Step 6: Final answer
    x = 141,558.00

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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.