Home / 187,230.18-258,348.75-106,647.48

Finding the Fourth Proportional to 187,230.18, 258,348.75 and 106,647.48

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Solution

The fourth proportional to 187,230.18, 258,348.75 and 106,647.48 is: 147,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,230.18 : 258,348.75 = 106,647.48 : x
  2. Step 2: Convert to fraction form
    187,230.18/258,348.75 = 106,647.48/x
  3. Step 3: Cross multiply
    187,230.18x = 258,348.75 × 106,647.48
  4. Step 4: Simplify right side
    187,230.18x = 27,552,243,148.65
  5. Step 5: Solve for x
    x = 27,552,243,148.65/187,230.18
  6. Step 6: Final answer
    x = 147,157.06

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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.