Home / 187,102.94-258,202.31-106,530.50

Finding the Fourth Proportional to 187,102.94, 258,202.31 and 106,530.50

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Solution

The fourth proportional to 187,102.94, 258,202.31 and 106,530.50 is: 147,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,102.94 : 258,202.31 = 106,530.50 : x
  2. Step 2: Convert to fraction form
    187,102.94/258,202.31 = 106,530.50/x
  3. Step 3: Cross multiply
    187,102.94x = 258,202.31 × 106,530.50
  4. Step 4: Simplify right side
    187,102.94x = 27,506,421,185.46
  5. Step 5: Solve for x
    x = 27,506,421,185.46/187,102.94
  6. Step 6: Final answer
    x = 147,012.23

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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.