Home / 187,827.57-259,218.45-102,961.04

Finding the Fourth Proportional to 187,827.57, 259,218.45 and 102,961.04

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Solution

The fourth proportional to 187,827.57, 259,218.45 and 102,961.04 is: 142,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,827.57 : 259,218.45 = 102,961.04 : x
  2. Step 2: Convert to fraction form
    187,827.57/259,218.45 = 102,961.04/x
  3. Step 3: Cross multiply
    187,827.57x = 259,218.45 × 102,961.04
  4. Step 4: Simplify right side
    187,827.57x = 26,689,399,903.10
  5. Step 5: Solve for x
    x = 26,689,399,903.10/187,827.57
  6. Step 6: Final answer
    x = 142,095.22

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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.