Home / 187,059.36-258,138.18-106,485.18

Finding the Fourth Proportional to 187,059.36, 258,138.18 and 106,485.18

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Solution

The fourth proportional to 187,059.36, 258,138.18 and 106,485.18 is: 146,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,059.36 : 258,138.18 = 106,485.18 : x
  2. Step 2: Convert to fraction form
    187,059.36/258,138.18 = 106,485.18/x
  3. Step 3: Cross multiply
    187,059.36x = 258,138.18 × 106,485.18
  4. Step 4: Simplify right side
    187,059.36x = 27,487,890,562.17
  5. Step 5: Solve for x
    x = 27,487,890,562.17/187,059.36
  6. Step 6: Final answer
    x = 146,947.42

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1.5x scale

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.