Home / 187,871.07-259,256.70-107,296.93

Finding the Fourth Proportional to 187,871.07, 259,256.70 and 107,296.93

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Solution

The fourth proportional to 187,871.07, 259,256.70 and 107,296.93 is: 148,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,871.07 : 259,256.70 = 107,296.93 : x
  2. Step 2: Convert to fraction form
    187,871.07/259,256.70 = 107,296.93/x
  3. Step 3: Cross multiply
    187,871.07x = 259,256.70 × 107,296.93
  4. Step 4: Simplify right side
    187,871.07x = 27,817,447,991.93
  5. Step 5: Solve for x
    x = 27,817,447,991.93/187,871.07
  6. Step 6: Final answer
    x = 148,066.69

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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.