Home / 187,201.16-258,333.79-102,318.83

Finding the Fourth Proportional to 187,201.16, 258,333.79 and 102,318.83

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Solution

The fourth proportional to 187,201.16, 258,333.79 and 102,318.83 is: 141,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,201.16 : 258,333.79 = 102,318.83 : x
  2. Step 2: Convert to fraction form
    187,201.16/258,333.79 = 102,318.83/x
  3. Step 3: Cross multiply
    187,201.16x = 258,333.79 × 102,318.83
  4. Step 4: Simplify right side
    187,201.16x = 26,432,411,142.27
  5. Step 5: Solve for x
    x = 26,432,411,142.27/187,201.16
  6. Step 6: Final answer
    x = 141,197.90

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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.