Home / 187,130.55-258,239.90-106,558.07

Finding the Fourth Proportional to 187,130.55, 258,239.90 and 106,558.07

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Solution

The fourth proportional to 187,130.55, 258,239.90 and 106,558.07 is: 147,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,130.55 : 258,239.90 = 106,558.07 : x
  2. Step 2: Convert to fraction form
    187,130.55/258,239.90 = 106,558.07/x
  3. Step 3: Cross multiply
    187,130.55x = 258,239.90 × 106,558.07
  4. Step 4: Simplify right side
    187,130.55x = 27,517,546,255.50
  5. Step 5: Solve for x
    x = 27,517,546,255.50/187,130.55
  6. Step 6: Final answer
    x = 147,050.00

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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.