Home / 187,068.30-258,150.06-102,185.70

Finding the Fourth Proportional to 187,068.30, 258,150.06 and 102,185.70

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Solution

The fourth proportional to 187,068.30, 258,150.06 and 102,185.70 is: 141,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,068.30 : 258,150.06 = 102,185.70 : x
  2. Step 2: Convert to fraction form
    187,068.30/258,150.06 = 102,185.70/x
  3. Step 3: Cross multiply
    187,068.30x = 258,150.06 × 102,185.70
  4. Step 4: Simplify right side
    187,068.30x = 26,379,244,586.14
  5. Step 5: Solve for x
    x = 26,379,244,586.14/187,068.30
  6. Step 6: Final answer
    x = 141,013.98

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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.