Home / 187,755.35-259,113.42-107,208.14

Finding the Fourth Proportional to 187,755.35, 259,113.42 and 107,208.14

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Solution

The fourth proportional to 187,755.35, 259,113.42 and 107,208.14 is: 147,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,755.35 : 259,113.42 = 107,208.14 : x
  2. Step 2: Convert to fraction form
    187,755.35/259,113.42 = 107,208.14/x
  3. Step 3: Cross multiply
    187,755.35x = 259,113.42 × 107,208.14
  4. Step 4: Simplify right side
    187,755.35x = 27,779,066,511.67
  5. Step 5: Solve for x
    x = 27,779,066,511.67/187,755.35
  6. Step 6: Final answer
    x = 147,953.53

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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.