Home / 187,817.35-259,186.45-102,934.21

Finding the Fourth Proportional to 187,817.35, 259,186.45 and 102,934.21

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Solution

The fourth proportional to 187,817.35, 259,186.45 and 102,934.21 is: 142,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,817.35 : 259,186.45 = 102,934.21 : x
  2. Step 2: Convert to fraction form
    187,817.35/259,186.45 = 102,934.21/x
  3. Step 3: Cross multiply
    187,817.35x = 259,186.45 × 102,934.21
  4. Step 4: Simplify right side
    187,817.35x = 26,679,152,473.45
  5. Step 5: Solve for x
    x = 26,679,152,473.45/187,817.35
  6. Step 6: Final answer
    x = 142,048.39

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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.